Why Does God’s Character in the Old Testament Often Appear Different from Jesus in the New Testament?

Introduction

One of the questions that often arises when someone reads the Bible as a whole is why God’s character in the Old Testament sometimes appears very different from the figure of Jesus presented in the New Testament. In some Old Testament accounts, God is portrayed as the One who brings judgment, commands warfare, punishes sin severely, and expresses wrath toward people who rebel against Him. Meanwhile, when reading about the life and ministry of Jesus in the New Testament, readers more often see love, forgiveness, compassion, gentleness, concern for those who suffer, as well as the teaching to love one’s enemies and pray for those who persecute them. These different portrayals can create the impression that the God of the Old Testament is a harsh God, whereas Jesus in the New Testament reveals a God who is loving and more gentle.

This impression becomes even stronger when readers encounter Old Testament accounts that, at first glance, are indeed difficult to understand. For example, there are events involving judgment against people because of sin, the flood in the time of Noah, the destruction of Sodom and Gomorrah, various wars involving Israel, as well as judgments given to nations and individuals who were considered to have committed evil. If these accounts are read only in isolation without considering the overall testimony of Scripture, it is very easy to conclude that God in the Old Testament has a character that contradicts Jesus. Conversely, if Jesus’ words and actions are viewed only from the perspective of His gentleness without considering His entire teaching, readers may also develop an incomplete picture of Jesus’ person and mission. Therefore, this issue cannot be adequately answered simply by saying that the Old Testament speaks about justice, whereas the New Testament speaks about love.

At its core, this difficulty touches on a more fundamental question concerning who God actually is as revealed by the Bible. If God is the same Person from beginning to end of salvation history, then there should be continuity between the testimony of the Old Testament and that of the New Testament. The Bible does not introduce two different gods, but presents the history of God’s work carried out through various eras, covenants, nations, individuals, and human circumstances. Therefore, when there are portrayals that appear different, the question that needs to be asked is not only, “Why does God seem so harsh in the past?” but also, “Have we understood the context of God’s actions correctly?”

The same applies when we speak about Jesus. Jesus indeed demonstrates love and compassion very strongly, but the New Testament does not portray Him merely as someone who always speaks about gentleness without judgment. Jesus also spoke about sin, repentance, judgment, hell, punishment, and human accountability before God. He could show compassion toward sinners while at the same time giving very strong rebukes to hypocrisy and rejection of the truth. Therefore, comparing God in the Old Testament with Jesus in the New Testament on the basis of only certain portrayals can lead to an unbalanced conclusion.

This issue also needs to be viewed from the way the Bible understands the relationship between love and justice. In human thinking, love and punishment are sometimes regarded as two things that are mutually contradictory. If someone loves, that person is considered not to be someone who should punish, whereas if someone punishes, that person is considered incapable of truly loving. However, the Bible does not always place these two things as opposing realities that cannot coexist. God’s love does not mean that God ignores evil, while God’s justice does not mean that God loses compassion. In fact, one of the important issues in understanding God’s character is how love, holiness, justice, patience, mercy, and judgment can all exist within the unity of the same divine character.

The difficulty in understanding this issue can also arise because human beings view God’s actions from the perspective of their own limited experience. When people see a punishment, they tend to evaluate it according to their own understanding of justice and morality at that particular moment. However, the Bible presents God as the Creator and human beings as creatures, so there is a fundamental difference between God’s knowledge and human knowledge. This does not mean that human beings should not raise critical questions about the biblical text, but it does mean that such questions need to be built upon a careful reading of the context and the testimony of Scripture as a whole.

It is also important to understand that the term “God’s character” in this discussion does not mean that God undergoes changes in personality like human beings do. God’s character refers to the qualities and moral attributes consistently revealed about Him, such as love, holiness, justice, faithfulness, mercy, patience, and truth. If the Bible declares that God is love, this does not mean that love is God’s only attribute and that all other attributes must therefore be excluded. Likewise, when the Bible speaks about God’s wrath against sin, this does not mean that God loses His love or acts uncontrollably like a human being who is angry. By understanding God’s character as a whole, readers have a stronger basis for understanding why God’s different actions in different situations do not in themselves indicate that God has changed into a different Person.

In addition, the relationship between the Old Testament and the New Testament needs to be taken seriously. The New Testament does not appear as a book separate from the earlier testimony, but continually refers to the Law, the Prophets, the Psalms, and the other writings that later came to be known as the Scriptures of Israel. Jesus Himself used the Scriptures that are now included in the Old Testament as the basis of His teaching. The apostles also explained Jesus’ life, death, resurrection, and identity by using the testimony of the Scriptures that already existed. Therefore, properly understanding Jesus actually requires us to see His relationship with the entire story that began in the Old Testament.

One important key to this discussion is that the Old Testament itself does not portray God only as the One who punishes. It contains many statements about love, compassion, patience, forgiveness, faithfulness, and God’s desire for people to repent. God is portrayed as a Person who is slow to anger and abounding in steadfast love, repeatedly calling His people to return to Him. Likewise, the New Testament does not portray only the love and gentleness of Jesus, but also declares that God’s judgment remains a reality. Therefore, the differences that appear on the surface should not immediately be regarded as evidence that God in both parts of the Bible has contradictory characters.

Therefore, the question of this article is not simply whether the God of the Old Testament is harsher than Jesus, but how we should understand the overall testimony of the Bible concerning God. We need to examine whether these differences truly represent a difference in character or whether they are more accurately understood as differences in context, purpose, forms of revelation, and the circumstances of the people whom God was dealing with. We also need to consider how Jesus Himself understood the God revealed in the Scriptures that came before Him and how the writers of the New Testament connected Jesus with the same God. Through this approach, we do not need to set aside difficult passages merely to preserve a particular picture of God, but can seek to understand them all within the broader framework of the biblical testimony.

Ultimately, this question is important not only for answering objections to the Christian faith, but also for developing a more mature understanding of God. Readers who encounter difficult passages in the Old Testament need more than a brief answer that “God is love”; they need an explanation of how that love exists alongside His holiness and justice. Conversely, readers also need to understand that Jesus’ gentleness cannot be separated from His seriousness regarding sin, truth, repentance, and judgment. By reading both Testaments as a whole and in relation to one another, we can begin to see that the question of the difference between God’s character is not an issue that must be resolved by choosing between the Old Testament and the New Testament, but by understanding how the entire Bible bears witness to the same God.

Why Is This Question Important?

The question of why God’s character in the Old Testament often appears different from Jesus in the New Testament is not a question that can be considered trivial. This question touches the foundation of Christian understanding concerning who God is, how God relates to humanity, and how the entire Bible should be read as one unified whole. If readers come to the conclusion that the God of the Old Testament is morally different from the God revealed through Jesus, then the issue is no longer merely a difficulty in understanding several challenging accounts. Such a conclusion can affect how a person understands the reliability of the Bible, the relationship between the two Testaments, the identity of Jesus, and the very foundation of the Christian faith.

Because This Question Concerns Whether the God of the Bible Is the Same God

The first reason why this question is important is that the Bible does not introduce the God of the Old Testament and the God of the New Testament as two different gods. Instead, the testimony of Scripture moves within one great story about the God who created the world, called humanity, related to His people, revealed His will, and ultimately revealed His work of salvation through Jesus Christ. If the God revealed in both sections is the same God, then the apparent differences in the way He acts need to be carefully understood. We cannot simply resolve the issue by saying that God once had a certain character and then later changed into a different God.

The Old Testament repeatedly affirms that God is one and that there is no other God equal to Him. Deuteronomy 6:4 states, “The LORD is our God, the LORD is one.” This statement was given to Israel as the foundation of their knowledge of God and became an important part of their faith. Isaiah 45:5 also states, “I am the LORD, and there is no other; besides me there is no God.” These verses show that from the Old Testament onward, God’s people were not taught to imagine that there were several gods who possessed different wills and characters.

The unity of God is also affirmed in the New Testament. When asked about the greatest commandment, Jesus quoted Deuteronomy 6:4 and reaffirmed that God is one in Mark 12:29. Even when speaking about His relationship with the Father, Jesus did not introduce a God who was different from the God known through the Scriptures of Israel. Instead, He continued to refer to the God of Abraham, Isaac, and Jacob, as well as to the testimony of the Scriptures that had already been given. Therefore, if something appears different between the portrayal of God in the Old Testament and the revelation of God through Jesus, we first need to examine how the two are related before concluding that there is a contradiction.

Because a Wrong Conclusion Can Produce an Incomplete Picture of God

This question is also important because human beings tend to form their picture of God based on the parts of the Bible that are easiest to remember or most consistent with their understanding. Someone may read the accounts of judgment in the Old Testament and conclude that God is primarily a harsh and punishing Person. Conversely, someone may read only the accounts of Jesus’ compassion and conclude that God essentially only loves and will never judge humanity. Both approaches risk producing an incomplete picture because God’s character cannot be determined solely on the basis of one group of accounts or one type of action.

Psalm 103:8 gives very important testimony about God in the Old Testament: “The LORD is merciful and gracious, slow to anger and abounding in steadfast love.” This statement shows that the portrayal of God as a compassionate Person is not something that only appeared after the coming of Jesus. Instead, this characteristic had already been clearly revealed in the Old Testament. Exodus 34:6–7 even provides one of the most important statements concerning God’s character when God introduces Himself as “merciful and gracious, slow to anger, and abounding in steadfast love and faithfulness,” while at the same time declaring that He does not leave the guilty without accountability.

Both sides are important to consider together. A loving God does not mean that God considers sin unimportant, and a God who judges sin does not mean that God has lost His compassion. Exodus 34:6–7 shows precisely that love, faithfulness, forgiveness, and justice can be expressed within the same understanding of God. Therefore, reading God’s character as a whole is essential so that we do not form a picture of Him based on one attribute while ignoring another.

Because This Question Is Related to How We Understand Jesus

This question is also important because the way a person understands God in the Old Testament will affect how that person understands the identity of Jesus. If someone considers the God of the Old Testament to be different from and opposed to the God revealed through Jesus, then Jesus may be understood as though He came to correct or replace the character of the previous God. Such a view has very significant consequences for the Christian understanding of who Jesus actually is. The New Testament does not portray Jesus as a Person who came to introduce a God who had previously been completely unknown.

Instead, Jesus repeatedly connected Himself with the God who had revealed Himself in the Scriptures of Israel. In John 5:39, Jesus said to His hearers, “You search the Scriptures because you think that in them you have eternal life, and it is they that bear witness about me.” This statement is very important because it shows that according to Jesus Himself, the Scriptures that already existed bore witness concerning Him. This means that the coming of Jesus cannot be understood by severing Him from the Old Testament.

Luke 24:27 provides an even broader picture. After His resurrection, Jesus explained to two disciples the things written about Himself “in all the Scriptures, beginning with Moses and all the Prophets.” Then Luke 24:44 records that Jesus explained that everything written about Him in the Law of Moses, the Prophets, and the Psalms had to be fulfilled. Thus, the New Testament itself teaches that the life and work of Jesus must be read in continuity with the Old Testament, not as a rejection of the God revealed previously.

Because God’s Love Must Not Be Separated from His Holiness and Justice

This question is important because human beings often have a tendency to define love merely as gentleness, acceptance, or the absence of punishment. Yet, in the testimony of Scripture, God’s love does not stand alone without a relationship to holiness and justice. God loves humanity, but His love does not mean that He declares sin to be unimportant. Likewise, God judges evil, but His judgment does not mean that He has no compassion.

Psalm 89:14 says, “Righteousness and justice are the foundation of your throne; steadfast love and faithfulness go before you.” This verse is very important because it connects God’s rule with justice while at the same time placing love and faithfulness as part of the way God relates to His creation. Justice and love are not treated as two attributes that destroy one another, but as parts of the testimony concerning the same God. Therefore, when we read accounts of judgment in the Old Testament, we need to examine their moral and theological context rather than immediately concluding that such acts of judgment contradict God’s love.

The New Testament also maintains the relationship between love and justice. John 3:16 states that God so loved the world that He gave His only Son, so that everyone who believes in Him should not perish but have eternal life. Yet this verse does not remove the reality of judgment, because the following verses explain that people can remain under condemnation because they reject the light. God’s love in the Gospel actually becomes more meaningful because humanity is indeed in the problem of sin and needs salvation.

Because the Old Testament Itself Teaches About God’s Love, Patience, and Forgiveness

The importance of this question becomes even clearer when we realize that the portrayal of God as loving is not something that was newly discovered in the New Testament. The Old Testament provides abundant testimony that God has compassion toward humanity and repeatedly gives opportunities for repentance. Therefore, if someone portrays the God of the Old Testament only as a Person who punishes, that portrayal does not correspond to the overall testimony of these books. We need to give equal seriousness to the verses that speak about God’s love, mercy, patience, and forgiveness.

One very clear example is found in Ezekiel 18:23. God asks, “Have I any pleasure in the death of the wicked, declares the Lord GOD, and not rather that he should turn from his way and live?” This question shows that God is not portrayed as a Person who takes pleasure in human destruction. The focus is instead on repentance and life. The same thing can be seen in Ezekiel 33:11, when God declares that He takes no pleasure in the death of the wicked, but desires that the wicked turn from their ways and live.

The story of Jonah also provides a very important portrayal. When the people of Nineveh repented, Jonah 4:2 explains that Jonah knew that God was “gracious and merciful, slow to anger and abounding in steadfast love, and relenting from disaster.” Although this story contains theological issues that need to be discussed within their own context, one thing is clearly evident: the concept of God as loving and giving people an opportunity to repent is already very strong in the Old Testament. Therefore, we cannot construct a simple opposition between a harsh God in the Old Testament and a loving God in the New Testament.

Because Jesus Himself Does Not Eliminate the Reality of Judgment

On the other hand, this question is important so that we do not form an overly simplistic picture of Jesus. If Jesus is understood only as a Person who is always gentle and never speaks about judgment, then our reading of the Gospels also becomes incomplete. Jesus indeed showed compassion toward the poor, the sick, sinners, and the marginalized, but He also spoke very seriously about human accountability before God. Therefore, the comparison between the Old Testament and the New Testament must take into account all of Jesus’ teaching, not merely the words that are most comfortable to hear.

In Matthew 25:31–46, for example, Jesus speaks about the final judgment and the separation of people as a shepherd separates the sheep from the goats. In that passage, Jesus speaks about eternal life and eternal punishment. This shows that Jesus did not teach that God’s love eliminates all forms of judgment. Instead, Jesus’ teaching shows that love and judgment must be understood within the framework of God’s holy rule and humanity’s moral responsibility.

Jesus also gave strong warnings about the consequences of sin in Matthew 7:21–23. He said that not everyone who calls Him “Lord” will enter the kingdom of heaven, but only those who do the will of His Father. He even said to some people who claimed to have performed various deeds in His name that He never knew them and called them workers of lawlessness. This passage is important because it shows that Jesus’ gentleness cannot be separated from His demands for truth and obedience.

Because We Need to Understand Why God Judges in Particular Contexts

This question is also important because not every act of judgment in the Old Testament can be understood in exactly the same way. There are judgments against individuals because of personal sin, judgments against nations that committed evil, discipline against the covenant people, and acts of judgment connected to particular stages in salvation history. If all these actions are placed into one category without considering their contexts, readers can easily reach an overly simplistic conclusion. Therefore, understanding the reason, purpose, recipients, and context of each act of God is an important part of biblical study.

Genesis 18:25 provides a very important principle when Abraham speaks to God concerning Sodom. Abraham says, “Far be it from you to do such a thing, to put the righteous to death with the wicked, so that the righteous fare as the wicked! Far be that from you! Shall not the Judge of all the earth do what is just?” This statement shows that God’s judgment, from the biblical perspective, is not understood as an arbitrary act. God is regarded as the Judge of all the earth who acts justly.

This principle also helps us understand that the issue of judgment in the Old Testament cannot be separated from questions of morality and justice. We need to examine what people had done, how God described that evil, whether there had been prior warnings, whether an opportunity for repentance had been available, and what purpose the action served within the narrative. Such an approach is far more responsible than taking one difficult account and using it as evidence that God has no love. Serious biblical study must pay attention to all the information provided by the text.

Because God’s Patience Does Not Mean That God Will Never Judge

There is another reason why this question is important, namely the tendency of human beings to equate God’s patience with indifference toward sin. The Bible instead shows that God’s patience can provide room for people to repent, but that patience does not mean that sin will be left without accountability. By understanding this, readers can see that the postponement of judgment is not the same as the cancellation of justice. God can be patient with humanity while at the same time maintaining His moral standards.

Romans 2:4 gives a very clear explanation of this. Paul says that God’s kindness, patience, and forbearance are meant to lead people to repentance. This verse shows that God’s patience has a moral purpose, namely to give people an opportunity to change. Yet the following verses speak precisely about God’s righteous judgment upon those who continue to harden their hearts and refuse to repent.

The same principle can be seen in 2 Peter 3:9. Peter explains that the Lord is not slow to fulfill His promise, as some consider slowness, but is patient toward humanity because He does not desire anyone to perish, but that all should turn and repent. This verse helps show that God’s patience is part of His loving character, not evidence that God does not care about evil. Therefore, when reading accounts of judgment in the Bible, we also need to consider the pattern of patience and the call to repentance that precedes them.

Because This Question Concerns the Reliability of the Bible’s Testimony

The question concerning the difference in God’s character is also important for readers who are questioning whether the Bible has a unified testimony. If the Old Testament and the New Testament are considered to teach two contradictory portrayals of God, someone may conclude that the Bible is actually a collection of writings that lacks a clear theological relationship. Such a conclusion needs to be examined by looking at how the writers of the New Testament themselves treated the Old Testament. They did not treat it as a book that should be rejected, but as Scripture that served as the foundation for many of their teachings.

Paul writes in 2 Timothy 3:16 that “all Scripture is breathed out by God and profitable for teaching, for reproof, for correction, and for training in righteousness.” In its historical context, “all Scripture” primarily refers to the Scriptures that were already known and used before the collection of New Testament writings had been completed. This is important because it shows that the early church did not build the Christian faith by regarding the earlier Scriptures as a mistaken portrayal of God.

Jesus Himself also treated Scripture with great authority. In Matthew 5:17, He said that He came not to abolish the Law or the Prophets, but to fulfill them. The word “fulfill” in this context indicates that Jesus’ coming was understood in relation to what God had previously revealed. Therefore, understanding the relationship between the two Testaments is very important so that we do not create a contradiction that the Bible itself does not actually teach.

Because Our Understanding of God’s Character Affects Our Life of Faith

Ultimately, this question is not merely an academic issue. The way a person understands God’s character will affect how that person prays, worships, repents, faces suffering, treats others, and lives as a believer. If God is understood only as a Person who punishes, someone may live in fear without understanding His mercy. Conversely, if God is understood only as a Person who always forgives without taking His holiness and justice into account, someone may regard sin as something that is not serious.

The Bible provides a more balanced picture. Psalm 130:3–4 says, “If you, O LORD, should mark iniquities, O Lord, who could stand? But with you there is forgiveness.” This verse shows that awareness of sin is not separated from hope in God’s forgiveness. The fear of God in the Bible is also not the same as a fear that causes people to turn away from Him, because awareness of God’s holiness can actually exist together with trust in His steadfast love.

This becomes even clearer in 1 John 4:9–10. John explains that God’s love was revealed when He sent His Son into the world so that humanity might receive life through Him, and that love does not consist primarily in human beings loving God, but in God having first loved humanity. However, this love is revealed within the context of sin and reconciliation, not by ignoring sin. Therefore, the more accurately a person understands God’s character, the healthier the foundation of that person’s life will be in understanding love, repentance, holiness, forgiveness, and moral responsibility.

Because This Question Helps Us Read the Bible as a Whole

Ultimately, the question concerning the difference between God’s character in the Old Testament and Jesus in the New Testament is important because it encourages us to abandon the habit of reading the Bible in isolated fragments. The Bible needs to be read by paying attention to the context of each book as well as the relationship between the books. A verse that speaks about God’s wrath should not be separated from the testimony concerning His love and patience, just as verses that speak about love should not be separated from the testimony concerning His holiness and judgment. A comprehensive reading will help us see that the various attributes of God revealed in the Bible are not fragments of a character that contradict one another.

Isaiah 46:9–10 provides an important principle in this regard when God declares that He is God and there is no other, and that from the beginning He has declared what will happen afterward. This statement emphasizes God’s uniqueness and sovereignty in history. Psalm 90:2 also portrays God as the One who exists before the mountains were brought forth and before the earth and the world were formed. These verses help readers remember that God cannot be understood merely on the basis of one historical event or one form of His action toward humanity.

Therefore, before concluding that God in the Old Testament is different from Jesus in the New Testament, we need to conduct a deeper examination of the entire testimony of the Bible. We need to see how the Old Testament portrays God’s love and justice, how Jesus spoke about God and Scripture, how the New Testament understands the relationship between Jesus and the God of Israel, and why certain actions of God took place within particular historical contexts. In this way, this question is not a reason to abandon the Bible, but an opportunity to read the Bible more carefully and more completely. Through serious investigation, we can examine whether the impression of a difference in character truly comes from the biblical text or arises because of the way we read and connect the various parts of the Bible.

Biblical Explanation

To understand whether God’s character in the Old Testament is truly different from Jesus in the New Testament, we need to allow the Bible to speak as a whole. This issue cannot be resolved simply by selecting several verses that portray God as a Person who punishes or several verses that portray Jesus as a Person full of love. The Bible provides a much broader picture, because love, holiness, justice, patience, mercy, forgiveness, and judgment all appear in its testimony about God. Therefore, this section will trace various biblical testimonies step by step in order to determine whether there really is a difference in character between God in the Old Testament and Jesus in the New Testament.

The Old Testament Does Not Portray God Only as a Person of Wrath

One of the most common mistakes in reading the Old Testament is to identify it primarily with God’s wrath and punishment. It is true that the Old Testament records various acts of judgment, but that is not the only portrayal of God. From the beginning, the Bible also declares that God is a Person of love, compassion, patience, and faithfulness. Therefore, before comparing God in the Old Testament with Jesus, we first need to establish whether the portrayal of God as harsh and without compassion actually corresponds to the overall testimony of the Old Testament.

One of the most important texts is found in Exodus 34:6–7. After Israel committed a great sin by making the golden calf, God revealed Himself to Moses by declaring that He is “merciful and gracious, slow to anger, and abounding in steadfast love and faithfulness.” This statement is very important because it does not come from humanity’s judgment about God, but from God’s own revelation concerning Himself. At the same time, the passage also states that God does not leave the guilty without accountability. Thus, from the Old Testament itself, we already find a combination of compassion and justice that cannot be separated when speaking about God’s character.

Psalm 103:8 repeats the same portrayal by saying that the LORD is “merciful and gracious, slow to anger and abounding in steadfast love.” Verse 10 then adds that God does not deal with people according to their sins or repay them according to their iniquities. This shows that forgiveness is not a foreign concept in the Old Testament. Even within a strong awareness of sin and judgment, the psalmist finds hope because of God’s steadfast love.

Psalm 145:8–9 again declares that the LORD is gracious and merciful, slow to anger and great in steadfast love, and that He is good to all and His mercy is over all that He has made. Testimonies like this appear repeatedly throughout the books of the Old Testament. Therefore, if someone reads only the accounts of judgment and concludes that God in the Old Testament has no compassion, that conclusion cannot represent the overall testimony of the Bible.

God in the Old Testament Repeatedly Gives Opportunities for Repentance

In addition to declaring His love and compassion, the Old Testament also shows that God often gives people opportunities to repent before judgment is carried out. This is important because it shows that God’s judgment is not always portrayed as a sudden action without warning. In many narratives, people first receive warnings, calls to change, or opportunities to turn away from evil. Therefore, readers need to pay attention to the process that precedes an act of judgment.

The book of Ezekiel provides very clear testimony. In Ezekiel 18:23, God asks, “Have I any pleasure in the death of the wicked?” God then explains that what He desires is repentance so that the person may live. This statement shows that God’s purpose is not simply to destroy humanity. God’s holiness still requires accountability for sin, but God’s compassion provides people with room to turn away from evil.

Ezekiel 18:32 even states, “For I have no pleasure in the death of anyone, declares the Lord GOD; so turn, and live!” This appeal shows that God desires life, not human destruction. Ezekiel 33:11 repeats the same principle by saying that God takes no pleasure in the death of the wicked, but desires that the wicked turn from their ways and live.

The same pattern can be seen in the story of Nineveh. In Jonah 3:4–10, Jonah delivers a message concerning coming judgment, but the people of Nineveh respond with repentance. When God sees their actions, He does not bring upon them the disaster that had been announced. Jonah 4:2 then shows that Jonah himself knew God’s character as a gracious and compassionate Person, slow to anger and abounding in steadfast love. The story demonstrates that even when God declares a warning of judgment, the ultimate outcome does not always mean that people will inevitably be judged without an opportunity to repent.

God’s Patience in the Old Testament Shows That He Does Not Act Arbitrarily

God’s patience is an important element that is often overlooked when people compare the Old Testament with Jesus. If we focus only on the ending of a judgment narrative, we may fail to see the length of the process that preceded it. The Bible repeatedly shows that God delays judgment, gives warnings, and calls people to return to Him. Therefore, God’s patience must be part of the way we understand His actions toward sin.

Genesis 15:16 provides an interesting example when God speaks to Abraham concerning the descendants of the Amorites. God says that the iniquity of the Amorites is not yet complete. This statement shows that, from the perspective of the biblical narrative, there is an appointed time before certain judgments are carried out. God is not portrayed as acting without consideration of the moral condition of a nation.

Likewise, 2 Kings 17:13–14 describes how God warned Israel and Judah through the prophets to turn from their evil ways. Yet the people did not listen and hardened their hearts. This passage is important because it shows that judgment against the people cannot be understood merely by looking at God’s final action. There was a long history of warnings, calls, and rejection that preceded it.

Nehemiah 9:30 even says that God was patient with His people for many years and warned them through His Spirit by the prophets. When they refused to listen, judgment was finally expressed. This testimony helps us understand that the portrayal of God in the Old Testament is not as simple as “people sinned, and then God immediately punished them.” There is a pattern of patience, warning, calls to repentance, human rejection, and finally judgment.

God in the Old Testament Also Defends the Weak and Shows Compassion

God’s character in the Old Testament is also revealed through His concern for those who are weak and do not have the power to defend themselves. The Law of Moses repeatedly gives attention to foreigners, orphans, widows, and the poor. This shows that God’s justice does not speak only about punishment for evil, but also about protection for those who are vulnerable.

Deuteronomy 10:17–18 states that God is God of gods and Lord of lords, who shows no partiality and accepts no bribe. It then says that He executes justice for the fatherless and the widow and loves the sojourner by giving him food and clothing. This portrayal is very far from the concept of the God of the Old Testament as a Person concerned only with punishment. God is instead portrayed as a Judge who cares for those who often have little social power.

Psalm 68:5 also describes God as “Father of the fatherless and protector of widows.” Psalm 146:7–9 again portrays God as the One who executes justice for the oppressed, gives food to the hungry, sets prisoners free, lifts up those who are bowed down, watches over the sojourners, and upholds the widow and the fatherless. All these testimonies show that compassion and justice are not new additions in the New Testament, but have already been part of the Old Testament’s testimony concerning God.

God Commands His People to Love, Even Those Who Are Not Israelites

One assumption that needs to be examined is that the Old Testament teaches love only toward one’s own group, whereas Jesus was the first to introduce a form of love that goes beyond group boundaries. There was indeed a special identity for Israel as the covenant people, but the Old Testament did not teach that Israelites could treat all other nations without love or justice. Instead, the Law of Moses contains a number of commands that demonstrate God’s concern for foreigners.

Leviticus 19:33–34 says that when a foreigner lives among Israel, they must not oppress him. The foreigner must even be treated like an Israelite and loved as oneself. The reason given is very important: Israel itself had once been a foreigner in the land of Egypt. Thus, their experience as people who had once suffered oppression became a basis for treating others with compassion.

Deuteronomy 24:17–18 also forbids the Israelites from depriving the foreigner and the fatherless of justice and reminds them that they themselves were once slaves in Egypt. This command shows that God’s law does not merely regulate humanity’s relationship with God, but also shapes social life on the basis of justice and compassion. Therefore, the principle of loving and caring for others is not a concept that suddenly appeared when Jesus came.

Jesus Taught About Love Using the Testimony of the Old Testament

When Jesus taught about loving others, He was not abolishing the entire moral foundation of the Old Testament. Rather, He used the Scriptures that had already been given as part of the foundation of His teaching. In Matthew 22:37–40, when asked about the greatest commandment, Jesus spoke of loving God with all one’s heart, soul, and mind, and then loving one’s neighbor as oneself. Both commandments come from Deuteronomy 6:5 and Leviticus 19:18.

This is very important for our discussion. If love for God and love for others were considered an entirely new characteristic that was completely contrary to the Old Testament, we would have difficulty explaining why Jesus Himself based these teachings on laws that had already been given in the Old Testament. Jesus did not introduce a God who previously had no concept of love. He led His hearers toward a deeper understanding of the purpose of God’s law.

Even in Matthew 5:43–48, when Jesus taught His followers to love their enemies and pray for those who persecute them, He connected this teaching with the character of the heavenly Father, who causes His sun to rise on the evil and the good and sends rain on the righteous and the unrighteous. Thus, the love that Jesus taught is rooted in God’s own character. This teaching does not indicate that God previously did not love wicked people, but rather calls His disciples to imitate God’s generosity in a more radical way.

Jesus Taught That the God of the Old Testament Is the Same Father

The relationship between Jesus and the God of the Old Testament becomes increasingly clear when we consider the way Jesus spoke about God. He never taught that the God of Abraham, Isaac, and Jacob was different from the Father whom He revealed. Instead, He continually referred to the same God who had revealed Himself to Israel.

In Matthew 22:31–32, Jesus quoted the account of Moses and the burning bush in Exodus 3. He said that God is the God of Abraham, the God of Isaac, and the God of Jacob. Jesus then used this passage to explain the resurrection of the dead. By quoting the Old Testament as the basis for His teaching about life after death, Jesus demonstrated the continuity between Israel’s faith and His own teaching.

In John 8:56–58, Jesus also spoke about Abraham and declared a profound relationship between Himself and the story that began in Israel’s history. His statement concerning His existence before Abraham became an important part of the discussion concerning Christ’s identity. Whatever the details of the debate surrounding this passage may be, it is clear that Jesus did not present Himself as a figure disconnected from the history of God’s revelation in the Old Testament.

Jesus Declared That the Scriptures of the Old Testament Bear Witness About Him

The relationship between Jesus and the Old Testament becomes even clearer in John 5:39. Jesus said that the Scriptures bear witness about Him. This statement means that, according to Jesus, the writings that had been received by God’s people before His coming did not portray a false God or a God irrelevant to Him. Rather, those writings formed part of the testimony that directs humanity toward Christ.

In Luke 24:25–27, Jesus explained to two disciples the things written about Him throughout the Scriptures, beginning with the books of Moses and all the Prophets. Then, in Luke 24:44–47, He again explained that everything written about Him in the Law of Moses, the Prophets, and the Psalms had to be fulfilled. This testimony is very important because it shows that Jesus Himself did not regard His coming as a break in the relationship with the Old Testament.

Therefore, if we say that the God of the Old Testament and Jesus are truly in opposition to one another, we are not merely dealing with a question involving two groups of verses. We must also explain why Jesus Himself continually used the Scriptures of the Old Testament as the basis of His teaching and made them a testimony concerning Himself. This continuity is one of the primary keys to understanding the relationship between the two Covenants.

Jesus Did Not Come to Abolish the Law and the Prophets

Matthew 5:17 is a very important verse for this issue. Jesus said, “Do not think that I have come to abolish the Law or the Prophets.” This statement directly rejects the idea that Jesus’ mission was to discard what God had previously revealed. He continued by saying that He came not to abolish them, but to fulfill them.

The term “fulfill” needs to be understood carefully. In this context, fulfillment does not simply mean obeying certain rules, but concerns bringing the meaning and purpose expressed in the Scriptures to their fullness through His person and work. Therefore, the relationship between the Old Testament and Jesus is not a relationship between error and correction, but between promise, revelation, and fulfillment. Understanding this relationship will become very important when we later discuss why certain things in the Old Testament take a different form after the coming of Christ.

Jesus even said in Matthew 5:18 that not one iota or one dot of the Law would pass away until everything had taken place. This statement demonstrates His very high regard for Scripture. Therefore, it is not accurate to portray Jesus as someone who came to replace the God of the Old Testament with a new God.

Jesus Himself Spoke Very Strongly About Sin and Judgment

To understand this issue in a balanced way, we must also look at another aspect of Jesus’ ministry. Jesus is indeed known for His compassion, but He also gave strong warnings about sin and its consequences. If we read only the passages about love, our picture of Jesus becomes incomplete. Conversely, when Jesus’ strong words are read together with His love and compassion, we gain a more complete picture of His mission.

In Matthew 7:13–14, Jesus spoke about two ways: the way that leads to life and the way that leads to destruction. In Matthew 7:21–23, He warned that not everyone who calls Him Lord will enter the kingdom of heaven. In Matthew 10:28, Jesus even warned His disciples not to fear those who can only kill the body, but to fear the One who can destroy both soul and body in hell.

Jesus also spoke about the final judgment in Matthew 25:31–46. In this passage, the Son of Man is described as coming in glory and separating people from one another. He spoke about “eternal punishment” and “eternal life.” This teaching shows that Jesus did not remove the concept of judgment from the picture of God. Instead, He gave very serious teaching about human accountability.

Mark 9:43–48 also records Jesus’ warning about the consequences of sin using very strong imagery. Such language is intended to demonstrate the seriousness of sin and not to give people a reason to regard sin as a trivial matter. Therefore, Jesus cannot be contrasted with the God of the Old Testament merely on the basis that He showed compassion.

Jesus Showed Love to Sinners Without Treating Sin as Unimportant

One of the strongest characteristics of Jesus’ ministry is the way He related to people who were regarded as sinners. He ate with tax collectors and sinners, touched people who were considered unclean, healed the sick, and welcomed those who came to Him. However, such acceptance did not mean that Jesus considered sin unimportant. Jesus’ love was often accompanied by a call to leave behind the old way of life and live a new life.

In Mark 2:15–17, Jesus ate with tax collectors and sinners. When He was criticized, He said that those who are well do not need a physician, but those who are sick, and that He came not to call the righteous, but sinners. This picture shows that God’s compassion is directed toward people who need restoration. At the same time, the term “sick” also indicates that there is something that needs to be healed, rather than something that should simply be left as it is.

The story of the woman caught in adultery in John 8:1–11 also demonstrates the same pattern. Jesus did not condemn the woman through the actions of the crowd that wanted to stone her, but neither did He say that her actions were not a problem. Instead, after extending forgiveness, Jesus said, “Go, and sin no more.” Forgiveness and the call to a changed life go hand in hand.

The same can be seen in Luke 19:1–10 through the story of Zacchaeus. Jesus came to the home of Zacchaeus, a chief tax collector, and this action caused objections from the people. However, his encounter with Jesus produced a real change in Zacchaeus’ life, including his willingness to repay what he had acquired dishonestly. This story shows that Christ’s love does not stop at emotional acceptance, but produces repentance and moral transformation.

The New Testament Continues to Present God as a Just Judge

If Jesus proclaimed both love and judgment, then the testimony of the apostles also maintains both. The New Testament does not teach that Christ’s coming caused God to cease being Judge. Instead, God’s judgment remains an important part of the proclamation of the gospel. The main difference that needs to be understood is not that the Old Testament has a judging God while the New Testament has a God who does not judge, but that Christ’s work provides a new and decisive foundation within the history of salvation.

Romans 2:5–6 states that God will repay each person according to his works. Paul explains that God shows no partiality and that His judgment is based on truth. In Romans 3:5–6, Paul even emphasizes that God remains just when He judges the world. This statement demonstrates that the concept of God’s justice remains part of New Testament theology.

2 Corinthians 5:10 also states that everyone must appear before the judgment seat of Christ, so that each person may receive what is due for what he has done during his life. This statement is very important because judgment is even associated with Christ Himself. Therefore, we cannot say that Jesus replaced the judging God with a figure who has no connection whatsoever with judgment.

Jesus and the Father Are Not in Conflict in Character

One of the most important passages in the Gospel of John is found in John 5:19. Jesus said that the Son can do nothing of His own accord, but only what He sees the Father doing. Then, in John 5:30, He stated that He could do nothing on His own and that He judged according to what He heard. These statements demonstrate a profound unity between the works of Jesus and the works of the Father.

John 10:30 records Jesus’ statement, “I and the Father are one.” This statement has a broad context within the Gospel of John and is an important part of the discussion concerning Jesus’ identity. However, for our discussion, the most important point is that Jesus did not portray Himself as someone working against the character of the Father. Instead, He declared unity in work and purpose with the Father.

John 14:9 even records Jesus saying to Philip, “Whoever has seen me has seen the Father.” This statement does not mean that the Father and the Son are the same Person in a simple sense, but it shows that Jesus uniquely reveals the Father through Himself. Therefore, if Jesus demonstrates love, compassion, holiness, truth, and judgment, all of these must be understood in relation to the revelation of the same God.

God in the Old Testament Also Punishes Sin Because He Is Holy

One reason why God’s character in the Old Testament can appear harsh is that God’s holiness often becomes especially clear in the narratives. Holiness means that God is completely pure, righteous, and separate from all evil. Because God is holy, sin cannot be treated as something neutral or unimportant. When the Bible describes God’s judgment, His actions must be understood in relation to His holiness.

Isaiah 6:3 describes the seraphim crying out, “Holy, holy, holy is the LORD of hosts.” This vision then caused Isaiah to become aware of his own uncleanness. In Habakkuk 1:13, the prophet says to God that His eyes are too pure to look upon evil and that He cannot tolerate wrongdoing. These verses show that judgment against sin is not an action contrary to God’s character, but is closely related to His holiness.

The New Testament maintains this concept. In 1 Peter 1:15–16, believers are called to be holy in all their conduct because the God who called them is holy. Peter then quotes Leviticus 11:44–45, 19:2, and 20:7 as the basis for this calling. This is a direct example that the concept of God’s holiness in the Old Testament remains applicable to the life of Christians.

Love and Holiness Meet in the Work of Christ

If we ask how God’s love and justice can work together, the New Testament directs our attention to the work of Christ. Romans 3:23–26 explains that all people have sinned and fall short of the glory of God, but are justified freely by His grace through the redemption that is in Christ Jesus. Paul then explains that God demonstrates His justice through Christ’s work. Thus, the cross does not portray a God who ignores sin for the sake of love, but a God who provides a way of salvation for sinful humanity.

Romans 5:6–8 deepens this point by stating that Christ died for the ungodly and that God demonstrates His love for us while we were still sinners. God’s love does not mean that sin does not exist or have consequences. Rather, God’s love is demonstrated through His saving action, which takes the problem of sin seriously.

1 Peter 2:24 states that Christ bore our sins in His body on the cross so that we might live for righteousness. 2 Corinthians 5:21 also explains that Christ, who knew no sin, was made to be sin for us so that in Him we might become the righteousness of God. These verses show that Christian salvation is not based on a change in God’s character from harsh to gentle, but on God’s work in resolving the problem of sin through Christ.

The God Who Judges in the Old Testament Is Also the God Who Saves

Another mistake that needs to be avoided is assuming that the Old Testament speaks only about punishment, while salvation appears only in the New Testament. In fact, the Old Testament is full of stories and promises concerning God’s salvation. God saved Israel from Egypt, saved them from their enemies, forgave them when they repented, and promised restoration in the future. Therefore, salvation is not a new concept introduced by Jesus without roots in the preceding history.

Exodus 14:13–14 shows how Moses directed Israel to look toward the salvation that the LORD would accomplish when they were trapped by the Egyptian army. Psalm 34:18–19 states that the LORD is near to the brokenhearted and saves those who are crushed in spirit. Isaiah 43:11 even declares, “I, I am the LORD, and besides me there is no savior.”

Isaiah’s statement is very important when read together with the New Testament. In Luke 2:11, the birth of Jesus is proclaimed as the coming of a Savior, who is Christ the Lord. In Titus 2:11–14, the grace of God that brings salvation to humanity is revealed through the work of Christ. Therefore, the New Testament is not introducing a concept of salvation that has absolutely no foundation in the Old Testament. Rather, Christ’s saving work is presented as a continuation of the work of God that had already been revealed.

The God of the Old Testament Does Not Only Judge the Nations, but Also Judges Israel

Stories concerning judgment against the nations often raise the question of why God appears harsh toward certain nations. However, the Bible also shows that God did not give Israel moral immunity. When Israel committed evil and rebelled against God, they also received rebuke and judgment. This demonstrates that God’s moral standard did not apply only to other nations.

Amos 3:2 states that precisely because Israel was known by God in a special way, God would punish them for all their iniquities. This verse is important because it shows that being the chosen people did not mean being free from accountability. Jeremiah 7:9–15 also shows God rebuking a people who felt secure simply because they had the Temple, while their lives were filled with injustice and evil.

2 Kings 17:7–23 explains at length the reasons for Israel’s exile, including idolatry, rejection of God’s commands, and prolonged disobedience. Therefore, when reading about God’s judgment in the Old Testament, we need to recognize that God also applied His demand for holiness to the people who had a covenant relationship with Him. This shows that God’s judgment was not simply based on group identity, but was connected to moral responsibility.

The Old Testament Even Contains a Call to Treat Enemies Well

The idea that love for one’s enemies appears only in Jesus’ teaching also needs to be examined. Indeed, Jesus brought this principle to a very strong emphasis, but its foundations already appear in the Old Testament. Exodus 23:4–5 commands the Israelites to return their enemy’s stray ox or donkey and to help when their enemy’s donkey is lying down under its burden. This principle shows that personal hostility is not a reason to ignore moral obligation.

Proverbs 25:21–22 also says that if your enemy is hungry, give him food, and if he is thirsty, give him drink. Interestingly, Paul quotes this principle in Romans 12:20 when teaching believers not to repay evil with evil. Thus, the New Testament teaching about loving one’s enemies does not stand without roots in the Old Testament.

This demonstrates an important moral continuity. Jesus did not introduce the concept that God only now desires human beings to do good to their enemies. Rather, He placed love for enemies within a deeper framework concerning the perfection of love and imitation of the Father. Therefore, apparent differences do not necessarily mean a change in God’s character.

God’s Wrath in the Bible Is Different from Uncontrolled Human Anger

The term “God’s wrath” also needs to be explained because it is often used as a basis for assuming that God in the Old Testament has a harsh character. In the Bible, God’s wrath is not an uncontrolled emotional outburst like human anger. God’s wrath is related to His holy and just response to sin and evil. In other words, God’s wrath must be understood in relation to His character as the righteous Judge.

Psalm 7:12–13 portrays God as a righteous Judge who expresses His wrath against evil. Nahum 1:2–3 states that the LORD is a jealous and avenging God, but immediately emphasizes that He is slow to anger and great in power. This combination is important because it shows that wrath and patience are not two pictures of God that cancel each other out.

The New Testament also uses the same language. Romans 1:18 states that the wrath of God is revealed from heaven against all ungodliness and unrighteousness of humanity. Therefore, the concept of God’s wrath does not disappear when we move from the Old Testament to the New Testament. What changes is the historical context and the way God’s saving work is revealed, not God’s moral character.

God’s Love Also Does Not Become a New Concept in the New Testament

Likewise, when we read about God’s love in the New Testament, we should not assume that God only began to love humanity when Jesus came. John 3:16 is indeed one of the most famous statements about God’s love, but that love continues the character of God that had already been revealed. God gave His Son as an expression of love, but this action represents the culmination of a saving work that had been moving through history from the beginning.

Jeremiah 31:3 provides an important picture of God’s love when God says, “I have loved you with an everlasting love; therefore I have continued my faithfulness to you.” Psalm 136 repeatedly declares that God’s steadfast love endures forever. Hosea 11:1–9 even describes God’s relationship with Israel using deeply emotional and compassionate language, even though Israel continued to rebel.

When we read these texts, it becomes clear that the character of God’s love is not a discovery of the New Testament. The New Testament reveals this love very clearly through the person and work of Christ, but its theological roots are already present in the Old Testament. Therefore, it is more accurate to speak of the development and fulfillment of God’s revelation rather than a change in God from a Person who did not love into a Person who does.

Different Forms of Action Do Not Necessarily Mean Different Character

Up to this point, we can see that the Bible testifies about the same God whose various attributes operate together. God may show love in one situation, give a warning in another, discipline His people under certain circumstances, forgive those who repent, and judge evil when the time comes. These different actions do not in themselves indicate a change in character. Rather, different actions can arise because human circumstances and God’s purposes in each event are also different.

For example, a judge who shows mercy toward a victim of a crime and punishes the perpetrator is not displaying two different moral characters. Love toward the victim and punishment of the perpetrator can be two expressions of the same justice. Likewise, God can show mercy to someone who repents and judgment toward someone who persistently commits evil without repentance. Therefore, we need to distinguish between a change in character and different actions within different contexts.

Numbers 23:19 states that God is not a man, that He should lie or change His mind like a human being. 1 Samuel 15:29 also states that the Glory of Israel does not lie or have regret like a human being. These verses are important because they show that a change in God’s action within a narrative should not immediately be interpreted as a change in His morality or instability in His character.

The Bible States That God Does Not Change in His Character

The testimony concerning God’s unchanging nature also appears in the New Testament. James 1:17 describes God as the Father of lights, with whom there is no variation or shifting shadow. Malachi 3:6 states, “For I the LORD do not change.” This statement is given in the context of God’s relationship with His covenant people and demonstrates the stability of His character and faithfulness.

Hebrews 13:8 states, “Jesus Christ is the same yesterday and today and forever.” This verse speaks directly about Jesus and demonstrates the stability of His person. If the character of God in the Old Testament were truly opposite to the character of Jesus, it would be difficult to explain how the New Testament could simultaneously affirm the constancy of God and the constancy of Christ.

Therefore, when we encounter actions of God that appear different from one passage to another, we need to ask whether what has changed is God’s character or the human circumstances and the form of action appropriate to those circumstances. This approach does not mean that every difficult question is immediately resolved, but it provides a more appropriate framework for reading the text. The Bible itself directs us to maintain the faithfulness and consistency of God while still acknowledging that the way He acts in history can take various forms.

God Reveals Himself Gradually in Salvation History

The New Testament also helps us understand that God’s revelation to humanity takes place within history. Hebrews 1:1–2 says that long ago God spoke to the fathers by the prophets at many times and in many ways, but in these last days He has spoken to us by His Son. This verse does not say that God was previously wrong in revealing Himself. Rather, it shows a development in the way this revelation reaches its fullness.

The term “revelation” refers to God’s act of making something about Himself and His will known to humanity. Gradual revelation means that humanity receives knowledge of God’s work through different stages of history until it reaches its climax in Christ. Therefore, we should not assume that every stage of salvation history must have exactly the same form. What needs to be considered is how each stage relates to the overall purpose that ultimately reaches its fullness in Christ.

John 1:17–18 also says that the law was given through Moses, while grace and truth came through Jesus Christ, and that the only Son who is at the Father’s side has made Him known. This statement does not need to be understood as “Moses brought something bad while Jesus brought something good.” Rather, the text shows the development of God’s revelation toward a fuller knowledge of Him through Christ.

Jesus Is the Fullest Revelation of God, Not a Correction of a Wrong God

John 1:18 provides an important foundation for understanding why Jesus becomes the center of God’s revelation in the New Testament. No one has ever seen God, but the only Son who is at the Father’s side has made Him known. This means that Jesus is not a Person who came to correct a previously mistaken character of God. Rather, He uniquely and fully reveals God to humanity.

Colossians 1:15 calls Christ “the image of the invisible God.” Hebrews 1:3 describes the Son as “the radiance of the glory of God and the exact imprint of his nature.” The expression “exact imprint” points to an extremely close correspondence between Christ and God’s self-revelation. Therefore, when we want to understand how God’s love, holiness, compassion, truth, and justice come together in the person of Christ, we need to look at His entire ministry, not merely one particular aspect.

However, the fact that Jesus is the fullest revelation of God does not mean that the God of the Old Testament has a different character. Rather, the New Testament uses the Old Testament to explain who Jesus is. Christ is the culmination of God’s revelation, not the cancellation of the revelation that had already been given.

The Cross Shows That God’s Love and Justice Do Not Contradict Each Other

The climax of the discussion concerning God’s character is found in the cross of Christ. At the cross, God’s love for humanity is revealed with great clarity, but at the same time sin is not treated as insignificant. John 3:16 shows God’s love in giving His Son, while Romans 3:25–26 explains that through Christ God demonstrates His justice. Thus, the cross becomes the place where love and justice do not need to be placed in opposition to each other.

1 John 4:9–10 says that God’s love was revealed by sending His Son as an atoning sacrifice for human sin. The term “atoning sacrifice” points to a work that addresses the problem of humanity’s broken relationship with God because of sin. Therefore, God’s love does not operate by pretending that sin does not exist, but by providing a way to deal with the problem of sin.

Therefore, when someone asks whether the God of the Old Testament is different from Jesus, the cross itself becomes one of the most important answers. The same God who revealed His holiness and justice in the Old Testament is the God who reveals His love in the New Testament through Christ’s sacrifice. This love does not cancel holiness, and holiness does not eliminate love.

The Whole Testimony of Scripture Points to the Same God

After examining various passages of Scripture, we can begin to see that the picture of God cannot be divided simply into “the God of the Old Testament” and “the God of the New Testament.” The Old Testament knows God as loving, compassionate, patient, forgiving, holy, just, and Judge. The New Testament maintains all these attributes while revealing God’s work through Jesus in a way that brings them to their fullness.

Deuteronomy 6:4 declares that God is one. Isaiah 45:5 declares that there is no God besides Him. Mark 12:29 repeats this testimony in Jesus’ teaching. Paul also states in 1 Corinthians 8:6 that for believers there is one God, the Father, from whom are all things and for whom we exist, and one Lord, Jesus Christ, through whom are all things and through whom we exist.

This unity does not mean that every difference between the Old Testament and the New Testament must be ignored. There is indeed development in the covenants, worship, law, circumstances of God’s people, and stages of salvation history. However, this development must be distinguished from the idea that God undergoes a change in character. The testimony of Scripture instead shows that the God who revealed Himself to Israel is the same God who fully reveals Himself through Jesus Christ.

So, Why Does God Appear Different?

Based on the testimony we have examined, the impression that God in the Old Testament is different from Jesus in the New Testament does not primarily arise because the Bible presents two contradictory characters of God. This impression more often arises because readers compare particular actions without considering the entirety of God’s character and the context of each action. When accounts of judgment are read together with texts about love, patience, forgiveness, and the call to repentance, the picture of God becomes much more complex and consistent.

Likewise, when Jesus’ ministry is read as a whole, we find not only love and gentleness, but also holiness, rebuke of sin, the demand for repentance, warnings about judgment, and teaching concerning human accountability. Therefore, Jesus cannot be used to construct a picture of God as being only gentle and without justice. Conversely, the God of the Old Testament cannot be reduced to a Person who only punishes without love.

Thus, the Bible provides a strong basis for understanding that what appears different is not God’s character, but rather the context, form of action, stage of revelation, and human circumstances that God encounters in history. The Old Testament testifies about a God who is both holy and loving, while the New Testament reveals the same God through Christ with an increasingly clear fullness. Jesus is not an opponent of the God of the Old Testament, but the revelation of God who brings the history of salvation to its climax.

However, this conclusion does not mean that every issue has now been resolved. There are still certain passages in the Old Testament that are extremely difficult, especially accounts of judgment against nations, wars commanded by God, the death of people under certain judgments, and various actions that may feel very harsh from a modern perspective. These passages require separate discussion concerning historical context, God’s justice, human sin, God’s holiness, the purpose of judgment, and the relationship between judgment and salvation. Therefore, after examining the foundation of the Bible’s overall testimony, we need to go deeper in order to understand the theological issues underlying these apparent differences.

Theological Explanation

After examining various biblical testimonies, we can now move to a deeper theological question: if God in the Old Testament and Jesus in the New Testament appear to act differently, how should these differences be understood? At this stage, the issue is no longer merely a matter of finding verses that speak about love or verses that speak about judgment. We need to bring the entire testimony together into a coherent understanding of who God is and how He reveals Himself in history. Thus, theological explanation serves to show that various pictures that appear different can be understood within a single framework without ignoring difficult passages.

Differences in God’s Actions Do Not Mean a Change in God’s Character

The first thing that needs to be distinguished is character from action. Character refers to who someone is morally and to the qualities that consistently form part of that person, while action refers to what someone does in a particular circumstance. A person can act differently toward two people in different situations without undergoing a change in character. Likewise, God can show forgiveness to someone who repents, discipline His people, protect the oppressed, or bring judgment upon evil without this meaning that His character has changed from loving to cruel or vice versa.

This principle is very important when reading the Old Testament. The God who forgave David after his repentance is the same God who imposed consequences for David’s sin. The God who saved Israel from Egypt is also the God who later disciplined Israel because of their disobedience. These differences in action arise because the human beings and moral circumstances God is dealing with are different, not because God undergoes a moral change.

In Christian theology, the unchanging nature of God is often referred to as immutability, meaning the belief that God does not undergo change in His being, character, perfection, or faithfulness in the way human beings experience change. This concept does not mean that God cannot act differently in history. Rather, what does not change is who God is, while His actions may differ according to His purposes and the circumstances He is dealing with.

This helps us understand why God can say that He loves and also judges. Love does not mean that God must respond in exactly the same way to every human action. If someone repents, mercy is a response consistent with God’s character. If someone continually commits evil and rejects the truth, judgment is also a response consistent with His character as a just Judge.

Love Is Not the Only Attribute of God

A fairly common theological mistake is to make love the only attribute of God that determines how all His other attributes must be interpreted. If love is defined merely as actions that make human beings feel good, then every form of punishment will be considered contrary to love. However, the Bible never teaches that God’s love stands apart from His holiness, justice, truth, and faithfulness. God’s love is always the love of a holy and righteous God.

This is why Exodus 34:6–7 is so important for our theological framework. God reveals Himself as loving, compassionate, patient, and abounding in steadfast love, but in the same revelation He also declares that human guilt is still taken into account. These two things are not separated into two different characters of God. Both are part of the same divine character.

Theologically, this means that we must not use love to erase justice or use justice to erase love. God does not become more loving when He stops judging sin, and God does not become more just when He stops showing mercy. The perfection of God is precisely seen in the fact that all His attributes exist in perfect harmony.

Therefore, the more appropriate question is not, “Is God a God of love or a God of justice?” The more appropriate question is, “How are love and justice both part of the same character of God?” By changing the way we ask the question, we arrive at a framework that is more consistent with the testimony of Scripture.

God’s Holiness Explains Why Sin Is Never Treated as Trivial

Holiness is one of the most important concepts for understanding this issue. Holiness means that God is completely pure, righteous, and untouched by evil. If God’s holiness is not taken into account, judgment in the Old Testament can easily appear excessive. However, if God is truly holy, His response to evil cannot be compared with a human attitude that may regard sin as a minor matter.

Isaiah 6:3 portrays God’s holiness as something fundamental to His revelation. The seraphim cry out that the LORD is holy, holy, holy. In that vision, Isaiah does not feel worthy to stand by his own strength, but instead becomes aware of his own uncleanness. This experience shows that God’s holiness is not merely one additional attribute, but a fundamental part of who God is.

In the New Testament, God’s holiness is not removed. Instead, 1 Peter 1:15–16 quotes the Old Testament command for God’s people to live holy lives because the God who called them is holy. This demonstrates an important continuity: the holy God of the Old Testament is the same God who calls the church to live in holiness in the New Testament.

Therefore, when Jesus calls people to repent, deny themselves, and live in righteousness, He is not introducing a moral concept that contradicts the God revealed previously. He is bringing people into a life that corresponds to the character of the holy God. Jesus’ love does not lower God’s standard of holiness; rather, His love provides a way for sinful humanity to be restored to relationship with God.

God’s Justice Is Not the Same as Cruelty

We also need to distinguish justice from cruelty. Cruelty means causing harm or destruction without a morally proper reason, whereas justice concerns giving treatment that corresponds to truth and moral responsibility. When human beings see a severe punishment, they may feel that the punishment is cruel if they consider only its final outcome. However, theological evaluation requires broader consideration of who is acting, the basis of the punishment, the nature of the offense, the warnings that were given, and the purpose of the action.

In Genesis 18:25, Abraham refers to God as the Judge of all the earth and expresses his confidence that He will do what is just. This statement is important because it shows that even when human beings face difficult-to-understand acts of God’s judgment, God’s character as a just Judge remains the foundation of the narrative. Abraham does not resolve the issue by saying that God is free to do anything without moral consideration. Instead, he directly connects God’s actions with justice.

Theologically, this means that we need to be careful when using human moral categories to evaluate God’s actions. This does not mean that human beings are not allowed to ask questions or wrestle with difficult moral issues. However, we must recognize that such evaluation needs to take into account the limitations of human knowledge compared with God’s knowledge.

Romans 11:33 reminds us that the depth of God’s riches, wisdom, and knowledge is beyond human comprehension. This is not a reason to stop thinking, but a reminder that there is a difference between knowing some of the reasons behind an action of God and knowing the full basis of His considerations. Sound theology maintains both: human beings may investigate, but human beings must also acknowledge their limitations.

The Same God Can Show Mercy and Judgment

If God is a just Judge, does judgment mean that His love stops? No. Within the biblical framework, mercy and judgment can actually have a very close relationship. Mercy means that God does not treat human beings solely according to the punishment they deserve, while judgment means that God does not declare evil to be good. Both can be present in the same action of God without producing a contradiction.

Psalm 85:10 provides a beautiful picture of the relationship between steadfast love and faithfulness, saying that steadfast love and faithfulness meet, while righteousness and peace kiss each other. This imagery shows that within the biblical vision, God’s attributes do not have to be placed in opposition to one another. Justice does not need to destroy love, and love does not need to erase truth.

The climax of this relationship can be seen in the work of Christ. Romans 3:25–26 explains that through Christ God demonstrates His justice while also being the One who justifies the person who has faith in Jesus. This is a central point in Christian theology because it shows that salvation is not the result of God ignoring justice. Rather, Christ’s work becomes the means through which God’s grace and justice are revealed in a single saving work.

Therefore, the cross of Christ should not be understood as a change in God from a harsh God into a loving God. The cross instead reveals that the holy and just God is the same God who deeply loves humanity. God’s love does not appear by eliminating justice, but through a saving act that takes the problem of sin seriously.

The Old Testament and the New Testament Belong to One History of Salvation

To understand the differences between the two Covenants, we also need to understand the term salvation history. This term refers to the sequence of God’s actions in history through which He reveals Himself, forms His people, deals with sin, and brings His plan of salvation toward fulfillment. The Old Testament and the New Testament are not two independent stories. They are parts of one great story that reaches its climax in the life, death, and resurrection of Jesus Christ.

Hebrews 1:1–2 provides a very important framework. In the past, God spoke to the fathers through the prophets in various ways, but in these last days He has spoken through His Son. This shows development in God’s revelation without requiring us to conclude that God’s character has changed. What develops is the stage of revelation and the way God brings His plan toward its fullness.

Galatians 3:24 also provides a picture of the function of the Law within salvation history. Paul describes the Law as a guardian that leads people to Christ. This means that the Law and the earlier covenant had a particular function within God’s plan. When Christ came, that function entered a new stage, but this does not mean that God had previously been doing something wrong.

Therefore, the differences between certain forms of worship, laws, sacrifices, and the life of God’s people in the Old Testament and the life of the church in the New Testament should be viewed within the framework of the development of salvation history. A change in form does not automatically mean a change in God’s character. Rather, such changes can show that God’s plan is moving toward the purpose He has established.

The New Testament Brings Fulfillment, Not a Correction of God’s Mistakes

One important consequence of the framework of salvation history is that Jesus did not come to correct God’s mistakes in the Old Testament. If God had previously done something wrong and Jesus came to correct it, then we would have to assume a change in God’s knowledge or character. However, the testimony of the New Testament does not present such a picture. Instead, the New Testament views Christ’s work as the fulfillment of a plan that had already been unfolding.

Ephesians 1:9–10 speaks of God’s plan that He established in Christ to unite all things in Him. 1 Peter 1:18–20 also describes Christ as the Lamb who was foreknown before the foundation of the world and revealed in these last times. These verses portray Christ’s saving work not as a spontaneous response by God to humanity’s failure, but as part of God’s plan of salvation that was already within His knowledge.

Revelation 13:8 also uses language connecting Christ with God’s plan from the beginning, although the technical interpretation of this verse involves debate concerning the relationship of the phrase “from the foundation of the world” to the Lamb. Nevertheless, the overall testimony of the New Testament is very strong in placing Christ at the center of God’s plan, not as an emergency solution resulting from God’s failure. This helps explain why the Old Testament and the New Testament should be read as parts of one divine plan.

God Does Not Change, but the Covenant Relationship Can Change

One thing that often causes confusion is that the Bible records changes in God’s relationship with humanity. Israel had a particular covenant relationship with God, and then through Christ the New Covenant was inaugurated. If the relationship changes, does that mean that God changes? The answer is not necessarily. What changes may be the form of the covenant and humanity’s position within salvation history, not God’s character.

Jeremiah 31:31–34 had already prophesied about a “new covenant.” The prophet Jeremiah declared that God would establish a new covenant with the house of Israel and the house of Judah. In the New Testament, Hebrews 8:6–13 connects this prophecy with the work of Christ. Therefore, the transition from the Old Covenant to the New Covenant is not a sudden change in God’s character, but part of a plan that had already been revealed beforehand.

Hebrews 10:1 also explains that the law had “a shadow of the good things to come.” The term “shadow” in this context refers to something that points toward a fuller reality, not something that has no value. Thus, the earlier forms had their place within God’s plan, but they were not intended to be the final stage.

This framework helps explain why God’s people in the New Testament live differently from Israel in many ritual and social aspects. These changes should be viewed as a development within salvation history. God remains faithful, but the stage of the implementation of His plan has reached a new point through Christ.

The Incarnation Explains Why Jesus Is a Unique Revelation of God

The term incarnation refers to the act of the Son of God taking on human nature and coming into the world as a true human being. In the Christian faith, the incarnation is an important foundation for understanding why God’s revelation through Jesus has a depth unlike the previous forms of revelation. God had revealed Himself through creation, history, the law, the prophets, and His various acts, but in Christ that revelation reached a deeply personal form.

John 1:14 says that the Word became flesh and dwelt among human beings. Hebrews 1:3 states that the Son is the radiance of God’s glory and the exact representation of His being. Colossians 1:15 calls Christ the image of the invisible God. These three testimonies show that Jesus was not merely a prophet who provided additional information about God.

Therefore, when someone sees Jesus showing compassion toward the sick, the poor, sinners, and those who were marginalized, they are seeing something that is true about God’s character. However, when Jesus rebuked hypocrisy, warned about judgment, or called people to repentance, that also revealed something true about God’s character. Jesus did not choose between love and holiness because both already exist in perfect unity within God’s character.

In other words, Jesus is not a “gentler version of God.” He is the perfect revelation of God in the context of the incarnation. Therefore, Jesus’ gentleness and His firmness are equally important for understanding who He is and the God revealed through Him.

The Cross Corrects Human Understanding of Love, Not God’s Character

The cross is often understood simply as evidence that God loves humanity. This understanding is correct, but it is not sufficient. Theologically, the cross also shows that God’s love is not sentimental love, meaning a love that merely wants to make people feel comfortable. God’s love is willing to face the reality of sin and bear an immense cost to bring humanity to salvation.

Romans 5:8 states that God demonstrates His love for humanity in that Christ died for them while they were still sinners. This means that God’s love was shown to humanity not after they had become worthy, but while they were still in a sinful condition. Such love is far deeper than merely tolerating every human action.

1 John 4:10 states that God’s love was revealed by sending His Son as an atoning sacrifice for human sins. Thus, God’s love does not say that sin is unimportant. Instead, God’s love acts to deal with the problem of sin and restore humanity to Him.

Therefore, the cross is not the place where God ceases to be the just God. Rather, the cross shows that God’s justice and love do not need to be placed in opposition to each other. What may appear to be two opposing attributes in human thinking actually meet in the saving work of Christ.

Christ’s Judgment Shows Continuity with God’s Judgment

The continuity between God in the Old Testament and Jesus is also evident in the fact that the New Testament places judgment in the hands of Christ. John 5:22 says that the Father judges no one, but has entrusted all judgment to the Son. John 5:27 then speaks of the authority given to the Son to execute judgment because He is the Son of Man.

This is very important for our question. If Jesus truly came to introduce a God who no longer judges, then this statement would be difficult to explain. However, the New Testament instead declares that Christ possesses authority to judge. Thus, Jesus is not on the opposite side from God as Judge.

Revelation 19:11–16 also portrays Christ as a righteous and just Judge. This picture is certainly different from the picture of Jesus welcoming children or healing the sick, but both still speak of the same Person. This shows that gentleness and judgment should not be separated when we form a comprehensive picture of Christ.

Christ’s Love Becomes More Meaningful Because He Takes Sin Seriously

If Jesus did not take sin seriously, then His love for humanity would not have the same moral depth. A person does not need salvation if there is no problem from which they need to be saved. Therefore, the proclamation of the gospel can only be properly understood if we accept that sin is truly a serious problem in humanity’s relationship with God.

Mark 1:14–15 records that Jesus proclaimed the gospel of God with a call for people to repent and believe in the gospel. Repentance means a change in the direction of one’s life that includes a change in mind, heart, and actions toward sin and God. This call shows that Jesus’ love does not merely offer acceptance without change.

Luke 13:3 also records Jesus’ warning that if people do not repent, they will perish. Luke 15, on the other hand, shows great joy when a sinner repents. These two things must be read together. Jesus’ seriousness about sin makes the call to repentance meaningful, while His love makes repentance a path toward restoration rather than merely a threat.

Therefore, Jesus’ love does not contradict the firmness of God in the Old Testament. Both arise from the same character of God, who desires human beings to turn away from sin and live in a right relationship with Him.

Judgment in the Old Testament Must Not Be Separated from Its Historical Context

Theologically, we must also acknowledge that not every account of judgment in the Old Testament can be explained by one simple formula. Some accounts concern individual wrongdoing, some involve judgment upon societies, some relate to the discipline of the covenant people, and others occur within the context of warfare and the occupation of the land. Each category requires attention to its own context. Combining them all into one type of punishment would make the analysis inaccurate.

In some cases, the Bible itself provides a moral reason for a particular judgment. Deuteronomy 9:4–5, for example, explicitly warns Israel not to think that they were receiving the land because of their own righteousness. One of the reasons given is the wickedness of the nations inhabiting the land. The passage also emphasizes that Israel itself must not consider itself more righteous.

Genesis 15:16, as we have seen, also gives a picture of God taking into account the development of a nation’s wrongdoing throughout history. This shows that God’s judgment is not portrayed as an action without context. However, this does not mean that every detail of every account becomes easy or that every moral question is immediately answered. Responsible theology must be willing to acknowledge when a text remains difficult while maintaining the clear principles found throughout the Bible as a whole.

Israel Was Not Given a Moral Right to Become a Cruel Nation

Another important point is that when God gave Israel certain commands in the context of war, this cannot be used as a general justification for human beings to commit violence in the name of God. Those commands belonged to a specific context within salvation history and cannot simply be transferred to every era. The Bible itself shows that God’s people remained under God’s moral requirements.

Micah 6:8 summarizes God’s requirements by saying that people are to act justly, love faithfulness, and walk humbly before God. Isaiah 1:16–17 also calls God’s people to stop doing evil, learn to do good, seek justice, defend the rights of the oppressed, and plead the cause of the fatherless and the widow. This shows that God did not form His people to become a society free to commit violence as they pleased.

In the New Testament, this principle is even further extended through Jesus’ teaching about loving enemies. Matthew 5:44 commands the disciples to love their enemies and pray for those who persecute them. Romans 12:19–21 also forbids personal retaliation and commands believers to overcome evil with good. Therefore, God’s action as Judge cannot be used as a license for human beings to take God’s place as Judge.

We Must Distinguish Divine Judgment from Human Revenge

The distinction between God’s judgment and human revenge is theologically very important. Human beings often judge based on incomplete information, emotions, prejudice, or personal interests. God, by contrast, is portrayed as the Judge who knows the human heart and judges perfectly. Therefore, the fact that God exercises judgment does not give human beings the right to imitate every form of divine judgment according to their own will.

1 Samuel 16:7 states that human beings look at what is before their eyes, but the LORD looks at the heart. This verse reveals a fundamental difference between human knowledge and God’s knowledge. Jeremiah 17:10 also states that God searches the heart and examines the mind in order to give each person according to their conduct. Human beings do not possess this ability perfectly.

Therefore, God’s judgment in the Bible must be understood as the action of the perfect divine Judge, not as a model for personal revenge. This principle also explains why Jesus can teach personal forgiveness while at the same time speaking about final judgment. Human beings are called to love and not take revenge, while final judgment remains under God’s authority.

The New Testament Does Not Abolish Holiness, but Opens the Way to Reconciliation

If the New Testament differs from the Old Testament in certain respects, those differences should be understood primarily through the work of Christ. In the Old Testament, sacrifices were part of a system of worship connected with sin and atonement. In the New Testament, Christ is portrayed as the more perfect fulfillment of that pattern. Therefore, a major change occurs in how salvation and reconciliation are understood after the coming of Christ.

Hebrews 9:11–14 explains that Christ came as the High Priest and brought a more perfect redemption. Hebrews 10:11–14 then compares the sacrifices repeatedly offered with Christ’s sacrifice, offered once for all. This shows that there is a significant development in salvation history.

However, this development does not mean that God changed from being a God who requires holiness into a God who no longer cares about sin. Rather, Christ’s work shows how serious the problem of sin is while also revealing how great God’s grace is. Holiness remains, sin remains serious, but the way of reconciliation reaches its fulfillment in Christ.

Jesus Did Not Teach a God Who Opposes Moses

There is an assumption that Jesus often opposed Moses and therefore revealed the character of a different God. However, the way Jesus used the Law shows something more complex. In Matthew 5, Jesus repeatedly says, “You have heard that it was said,” and then gives a deeper explanation of the moral intention of the law. He did not simply discard the law, but brought His hearers to the depth of its demands, reaching the human heart.

An example appears in Matthew 5:21–22 concerning the prohibition against murder. Jesus did not say that the prohibition against murder was wrong. Rather, He showed that anger and hatred toward others also have a serious moral dimension. In Matthew 5:27–28, He does something similar with the commandment concerning adultery by showing that sin does not exist only in outward actions, but also in the heart.

Theologically, this shows that Jesus was not portraying the God of the Old Testament as a God with a low moral standard. Instead, He was showing the depth of the moral intention of the law. Obedience to God does not stop at external behavior, but must reach the human heart.

Love in the New Testament Is the Climax, Not a New Discovery

The New Testament does place a very strong emphasis on love. However, theologically, this love should be understood as the culmination of the revelation of God’s character, not as the discovery of a new attribute that God did not previously possess. John 1:18 states that Christ makes God known to humanity, while John 3:16 demonstrates God’s love through the giving of His Son. Both texts show that Jesus reveals very clearly what has already been part of God’s character.

This can be seen through the relationship between John 3:16 and many Old Testament texts concerning God’s steadfast love. Psalm 136 repeatedly affirms that God’s steadfast love endures forever. Jeremiah 31:3 speaks of God’s everlasting love. Hosea 11 portrays God’s compassionate love toward Israel, which continually rebelled against Him.

Therefore, when Jesus showed love toward sinners, He was not abandoning the character of the God of the Old Testament. Rather, He was revealing that love in a form that reaches its climax through the incarnation. The love that was previously expressed through God’s word, covenant, mercy, and actions is now revealed visibly through the person of Christ.

God’s Wrath and God’s Love Are Both Rooted in His Goodness

Theologically, even God’s wrath must be viewed in relation to His goodness. If God did not care about evil at all, then the injustice and suffering experienced by victims would have no moral answer. God’s wrath toward evil shows that evil is not something He regards as good or morally neutral. In this sense, God’s wrath can be understood as a holy response to something that corrupts creation and humanity’s relationship with God.

Psalm 11:7 states that the LORD is righteous and loves righteousness. Psalm 97:10 even calls those who love the LORD to hate evil. In the New Testament, Romans 12:9 likewise commands that love must be genuine and that believers should hate what is evil and hold fast to what is good. This shows that genuine love does not require someone to remain neutral toward evil.

Therefore, God’s love must not be defined as indifference toward morality. God loves humanity precisely because human beings have value as His creation, and therefore the destruction of humanity by sin is something serious. Within this framework, God’s mercy aims to restore humanity, while His judgment confronts evil.

Our Difficulty in Understanding God Does Not Mean That the Bible Teaches Contradictions

At this point, we need to make an important distinction between mystery and contradiction. A mystery is something that is true but cannot be perfectly understood by human beings because of the limitations of human knowledge. A contradiction means two statements that logically cannot both be true in the same sense and under the same circumstances. Not everything that is difficult to understand is a contradiction.

For example, we can generally understand that God is loving and also just. However, we may not be able to explain perfectly why God chooses a particular form of judgment in every historical event. This limitation does not automatically prove that God’s love and justice contradict each other. We may understand the general principle without knowing every detail of its application.

Deuteronomy 29:29 provides an important principle that the secret things belong to the LORD, while the things that are revealed belong to us and to our children, so that we may do them. This verse does not encourage human beings to stop learning. Rather, it teaches humility in facing the limits of human knowledge.

Therefore, when we encounter a difficult account in the Old Testament, the appropriate response is not to immediately conclude that God contradicts Himself. We first need to examine the text, context, language, purpose of the narrative, the testimony of other books, and the overall framework of the Bible. After all of this has been done, if there are still aspects that we cannot fully explain, we can acknowledge our limitations without having to conclude that the Bible is inconsistent.

Christ Is the Key to Reading the Old Testament, but the Old Testament Remains Important

Christian theology reads the Old Testament through Christ, but this does not mean that the Old Testament loses its value or becomes merely a collection of stories that are no longer relevant. Rather, Christ enables readers to see how various Old Testament themes move toward fulfillment. The law, sacrifices, priests, kings, prophets, promises, and covenants take on a broader meaning when read in the light of Christ.

Jesus Himself demonstrated this pattern in Luke 24:44–47 when He explained that the writings of Moses, the Prophets, and the Psalms spoke about Him. The apostle Paul also, in 1 Corinthians 10:1–11, interpreted various events in Israel’s history as lessons for believers. Therefore, the Old Testament is not a book that should be abandoned because it is thought to portray a different God.

Instead, Christian readers need to read the Old Testament in relation to its fulfillment in Christ. This approach allows us to see continuity without erasing historical differences. God remains the same, but His revelation and saving work move through stages that ultimately reach their climax in Christ.

The Apparent Differences Often Come from the Reader’s Perspective

There is another issue that also needs to be considered, namely the limitations of the modern reader’s perspective. We read ancient accounts with social, cultural, legal, and moral experiences that differ from those of societies in biblical times. This does not mean that all modern moral judgments are wrong or that all actions in the ancient world should be accepted. However, we need to recognize that historical context greatly influences how an action is understood.

For example, concepts such as nation, warfare, kingdom, covenant, law, and punishment in the ancient Near Eastern world existed within contexts that were not identical to those of modern societies. Therefore, reading an account without understanding its context can produce an impression that is more extreme than the intention of the text. Serious Bible study needs to distinguish between what the text actually states and the reaction of the modern reader to that text.

At the same time, historical context must not be used as an excuse to ignore moral questions. Rather, context helps us ask better questions. We can ask why the text describes a particular action, what the purpose of the narrative is, how that action relates to God’s character, and how other texts help us understand the issue.

God Did Not Become Better in the New Testament

A very important theological conclusion is that we must not say that God became better when He entered the New Testament. Such a statement indirectly implies that God in the Old Testament was not yet morally perfect. Yet, if God is a perfect God, there is no stage in history when His character was morally worse than at another stage.

Psalm 18:30 states that the way of God is perfect. Deuteronomy 32:4 states that all His works are perfect and that all His ways are just. James 1:17 states that with God there is no change or shifting shadow. Testimonies such as these affirm that God’s character does not undergo moral development.

What develops is humanity’s revelation of and experience with God’s work. Human beings receive more information about God’s plan as salvation history progresses. The coming of Christ brings a fuller revelation, but the fullness of that revelation does not mean that God was previously imperfect.

Jesus Did Not Make God Loving; Jesus Revealed God’s Love

Likewise, Jesus did not make God more loving. God already loved humanity before the incarnation. What Christ did was reveal and carry out that love through a concrete work of salvation. Therefore, we must not imagine the Father as Someone who was reluctant to save humanity and then Jesus came to persuade the Father to love.

John 3:16 states that God loved the world and, because of that love, gave His Son. Romans 8:32 says that God did not spare His own Son but gave Him up for us all. This demonstrates the unity of the Father and the Son in the purpose of salvation.

Jesus Himself, in John 10:17–18, spoke about His willingness to lay down His life. He is not portrayed as the victim of a conflict between a loving Son and an unloving Father. Rather, the work of salvation is a divine act involving the Father and the Son in unity of purpose.

Therefore, the cross is not a story about Jesus saving humanity from a God who does not love. The cross is God’s own work to save humanity from sin and restore humanity’s relationship with Him.

The Unity of God’s Character Provides a Foundation for the Unity of the Bible

If the God revealed in both Testaments is the same God, then we have a theological foundation for reading the Bible as a unified whole. This unity does not mean that all books have the same genre, context, purpose, or form. Psalms differs from the Law, the Prophets differ from the Gospels, and the apostolic letters differ from the historical books. Yet, behind this diversity lies one great story about God and His work.

Luke 24:27 provides one of the clearest pictures of how to understand this unity. Jesus explained to the disciples how various parts of Scripture spoke about Him. Therefore, Christian interpretation does not have to choose between the Old Testament and the New Testament. Both can be read as parts of one testimony that reaches its climax in Christ.

This unity also helps us avoid two extremes. The first extreme is to regard the Old Testament as no longer important because Jesus has come. The second extreme is to read the Old Testament without considering its fulfillment in Christ. A more balanced approach is to read each part within its own context while also seeing its place within the overall story of the Bible.

This Question Ultimately Leads Us to God Himself

The deeper this issue is examined, the clearer it becomes that the question is not merely about differences between two parts of the Bible. The real question is whether we are willing to accept God as He has revealed Himself, or whether we only accept the aspects of His character that fit our expectations. Human beings may feel comfortable with God’s love but not with His holiness, or may be drawn to His justice but fail to understand His mercy. The Bible forces us to confront God more fully rather than simply choosing the attributes we prefer.

In Isaiah 55:8–9, God declares that His thoughts and ways are higher than human thoughts and ways. This does not mean that human beings cannot know God at all. Rather, God speaks so that human beings can know Him, but such knowledge always takes place within the limitations of created beings.

This is where humility becomes important in theology. We need to be willing to ask difficult questions, examine the text seriously, and evaluate different possible interpretations. However, we also need to acknowledge that God cannot be reduced to a picture that we can completely master through human intellectual ability.

Theological Conclusion: Not Two Gods, but One God Revealed in Different Historical Contexts

Considering the discussion as a whole, there is no sufficient theological basis for concluding that the God of the Old Testament and Jesus in the New Testament have different moral characters. The Old Testament reveals God as holy, just, loving, compassionate, patient, and faithful. The New Testament reveals Jesus as the perfect revelation of God, who likewise demonstrates love, mercy, holiness, truth, firmness, and judgment.

The apparent differences primarily concern historical context, stages of revelation, forms of covenant, the purposes of particular actions, and the way God’s saving work is revealed. God did not change from being a harsh God into a loving God. Rather, the same God reveals His love, holiness, justice, and mercy throughout history, and this revelation reaches its fullness through Jesus Christ.

Therefore, Jesus should not be placed in opposition to the God of the Old Testament. According to the testimony of the New Testament, Jesus is instead the fullest revelation of God to humanity. When we see Jesus’ love, we see God’s love; when we see Jesus’ holiness, we see God’s holiness; when we hear Jesus’ warnings about judgment, we also see God’s seriousness about sin.

However, this does not mean that every difficult account in the Old Testament suddenly becomes easy simply by saying that God is love. There are still serious questions concerning warfare, the judgment of nations, death, certain laws, and various acts of God that require further investigation. But once this theological foundation has been established, we no longer have to begin with the assumption that the God of the Old Testament and Jesus have opposing characters. We can approach the difficult passages with confidence that the whole Bible bears witness to the same God, while Christ’s work brings His revelation and plan of salvation toward their fullness.

Conclusion

The question of why God’s character in the Old Testament often appears different from Jesus in the New Testament ultimately arises from a very natural impression: on the one hand, we encounter accounts of love, forgiveness, mercy, and acceptance so strongly displayed in Jesus’ ministry, while on the other hand, we encounter accounts of God’s wrath, punishment, warfare, and judgment in the Old Testament. If these two portrayals are read separately and without considering the overall testimony of Scripture, the impression that God is different in these two sections can indeed easily arise. However, a more comprehensive reading shows that the Bible is not introducing two Gods with opposing characters. Rather, the Old Testament and the New Testament testify about the same God, who reveals Himself through one continuous history of salvation.

The God revealed in the Old Testament is not a God who only punishes, just as Jesus in the New Testament is not a Person who speaks only about love without judgment. The Old Testament repeatedly declares God’s steadfast love, patience, mercy, forgiveness, and faithfulness toward His people, while the New Testament also speaks very seriously about sin, repentance, God’s wrath, judgment, and punishment. Therefore, the difference we often perceive is not a change in God’s character from bad to good, but a difference in context, covenant form, stage of revelation, and the way His saving work is revealed throughout history. God did not become more loving when Jesus came, because love had already been part of the testimony of Scripture from the beginning.

It is very important to understand that God’s love cannot be separated from His holiness and justice. God loves humanity, but His love does not mean that sin becomes unimportant. On the contrary, precisely because God is good and holy, evil cannot be treated as though it has no consequences. Exodus 34:6–7 presents these two aspects together when God is described as full of steadfast love and forgiving, yet not treating the guilty as though their guilt were insignificant.

In this regard, Jesus did not come to correct God’s character or replace a God who was considered too harsh in the Old Testament. Jesus came as the fullest and most perfect revelation of God to humanity. John 1:18 states that the Son has made the Father known, while Hebrews 1:3 describes the Son as the radiance of God’s glory and the exact representation of His being. Therefore, if we want to understand who God is, we do not need to choose between God in the Old Testament and Jesus in the New Testament, because Jesus is precisely the key that helps us see the unity of God’s revelation throughout all of Scripture.

The cross is one of the strongest evidences that God’s love and justice are not two opposing characters. At the cross, God’s love is revealed profoundly because Christ gave Himself for humanity, while at the same time the seriousness of sin is not denied. Romans 5:8 states that God demonstrates His love for us in that Christ died for us while we were still sinners, while Romans 3:25–26 shows the relationship between God’s justice and Christ’s work of atonement. Therefore, the cross is not a sign that God finally abandoned His justice for the sake of love, but the place where God’s love and justice are revealed together.

Therefore, readers of the Bible need to be careful when encountering passages in the Old Testament that are difficult to understand morally or theologically. We should not immediately conclude that God in such passages contradicts Jesus, but neither do we need to ignore the difficulties that exist. Each text should be read within its historical, literary, covenantal context and in light of the overall testimony of Scripture. Deuteronomy 29:29 reminds us that there are things hidden from humanity, but the things revealed by God are given so that people may know them and live according to His will.

Ultimately, this issue leads us to a fundamental conclusion: the Bible does not introduce a different God in the Old Testament and the New Testament. The Bible reveals one God who is holy, just, loving, merciful, righteous, and faithful, whose work unfolds throughout history and reaches its fullness in Jesus Christ. If there are particular passages that remain difficult to understand, those difficulties should encourage us to explore more deeply rather than hastily conclude that the Bible teaches two opposing characters of God. By reading the testimony of Scripture as a whole, we can see that Jesus is not the opposite of the God of the Old Testament, but the revelation of God who leads us to a fuller knowledge of who He is.

Practical Reflection

Do Not Judge God Based on Only One Part of the Bible

One important lesson from this discussion is the need to read the Bible as a whole. We cannot build an understanding of God’s character based only on one story, one verse, or one type of action that God performs in a particular passage. Psalm 119:160 says that the entirety of God’s word is truth, so each part needs to be understood in relationship to the other parts. When we encounter a difficult text, a healthier question is not, “Why is this verse different from the God I know?” but rather, “How should this verse be understood within the overall testimony of Scripture?”

Do Not Set the Old Testament Against the New Testament

The Old Testament and the New Testament are not two books that each introduce a different God. Both are parts of one testimony of Scripture concerning God’s work throughout human history. Jesus Himself used the Scriptures that we know as the Old Testament and explained that they all testify about Him, as seen in Luke 24:27 and Luke 24:44–47. Therefore, reading the New Testament correctly also means learning to read the Old Testament in the proper relationship to it.

Learn to See God’s Love and Holiness Together

Human beings often tend to choose the attribute of God that best fits their desires. We may like the picture of a loving God but feel uncomfortable when the Bible speaks about His holiness and judgment. Conversely, someone may emphasize judgment too strongly and forget God’s mercy and patience. The Bible teaches us to accept the whole character of God, because love without holiness produces a picture of God that does not correspond to Scripture, while holiness without love also fails to portray God as He is revealed in the Bible.

Do Not Assume That Love Means God Is Not Serious About Sin

A proper understanding of God’s love should not cause us to take sin lightly. Jesus Himself called people to repentance and warned about the consequences of sin, while at the same time showing mercy to sinners. Mark 1:15 records Jesus’ call to repent and believe in the gospel, while John 3:16 demonstrates the greatness of God’s love for the world. These two things do not contradict each other, because God’s love is precisely why He provides the way of salvation and calls people to turn away from sin.

Do Not Make Difficult Passages of the Bible a Reason to Stop Learning

There are passages in the Bible that are easy to understand, but there are also passages that require research, reflection, and more careful reading. When we encounter a difficult text, we do not need to feel that our faith must immediately be abandoned simply because we do not yet have a complete answer. Proverbs 2:3–5 portrays the pursuit of wisdom as something that requires earnest effort, while James 1:5 encourages those who lack wisdom to ask God for it. With this attitude, difficult questions can become opportunities to grow in understanding rather than reasons to stop seeking the truth.

Learn to Distinguish God’s Judgment from Human Revenge

Accounts of judgment in the Old Testament must not be used as justification for human beings to commit violence or repay evil according to their own desires. The Bible clearly distinguishes between God’s right to judge and humanity’s tendency to seek revenge. Romans 12:19 reminds us not to take revenge ourselves because vengeance belongs to God, while Romans 12:20–21 instead commands us to do good to our enemies. Therefore, understanding God’s judgment should not make us more cruel toward others, but increasingly aware of our limitations in judging other people.

Make Jesus the Center When Reading God’s Character

Jesus should not be used to reject the Old Testament, but Jesus should be at the center when understanding the culmination of God’s revelation. John 14:9 shows that seeing Jesus means seeing the Father, while Colossians 1:15 calls Christ the image of the invisible God. This means that Christ’s life, words, death, and resurrection have a very important place when we want to understand how God reveals Himself to humanity. The more we know Christ through the testimony of the Gospels, the more we understand that love, holiness, truth, mercy, and justice are not attributes of God that contradict one another.

Be Humble When You Encounter Things You Do Not Yet Understand

Not every theological question can be resolved with a simple answer. There is a difference between something that truly contradicts itself and something that we cannot yet fully understand because of the limitations of human knowledge. Isaiah 55:8–9 reminds us that God’s ways and thoughts are far beyond human ways and thoughts. Therefore, intellectual humility is an important part of faith: we may ask questions sincerely, but we also need to acknowledge that our understanding is never greater than the God we are studying.

Let Your Understanding of God’s Character Change the Way You Live

Studying God’s character is not merely an intellectual activity. Knowledge of God should produce a change in the way we treat others, view sin, face suffering, and live our daily lives. If God is holy, we are called to live in holiness; if God is loving, we are called to love; if God is just, we are called to treat others rightly. Micah 6:8 summarizes this calling by emphasizing justice, steadfast love, and walking humbly before God.

Continue Reading the Bible with a Complete Framework

The question of the difference between God’s character in the Old Testament and Jesus in the New Testament ultimately teaches us one important habit: do not read the Bible in isolation. Read each passage while paying attention to its context, connect it with the broader testimony of Scripture, and see how it relates to God’s overall work. Luke 24:32 shows how the hearts of the disciples burned when Jesus opened the Scriptures to them, demonstrating that proper understanding requires a way of reading that sees the relationships between different passages. In this way, Bible study does not end with finding an answer to one question, but leads us to know God more deeply and become increasingly able to live according to His word

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