Featured snippet: The Old Testament and New Testament are not two separate messages for two different peoples. Together they form the Bible, one unfolding account of God’s purpose for humanity. The New Testament builds on the Hebrew Scriptures, showing how God’s promises and plan are revealed through Jesus Christ and continued in the Church.
Many people have heard the idea that the Old Testament is for the Jews, while the New Testament is for Christians. It can sound like a simple way to describe the two sections of the Bible. But does that distinction reflect the way Jesus and the apostles understood Scripture?
The Bible invites us to read its books together. The Old Testament lays the foundation for the New Testament, and the New Testament repeatedly points back to the Old. Rather than two disconnected books with competing messages, they tell one continuing story: God is working out His purpose with humanity.
One Bible, written across many generations
The Bible contains many books written by different authors over a long period of time. Its books include history, law, poetry, prophecy, accounts of Jesus’ life, and letters to early Christian congregations. The writers lived in different settings, yet the Scriptures develop a coherent account of God, humanity, sin, redemption, and the hope of God’s Kingdom.
The labels “Old Testament” and “New Testament” help readers identify the Bible’s two main collections. They do not mean that the first part belongs only to one ethnic group and the second part belongs to another group. The word testament can also refer to a covenant—an agreement or relationship God establishes. The covenants and historical circumstances in Scripture are not all identical, but they belong to the same unfolding purpose of God.
God does not change in character or purpose (Malachi 3:6; James 1:17). As His plan unfolds, the Bible records real developments: promises are made, covenants are established, prophecies are given, and God’s work is revealed through Jesus Christ. Seeing those developments does not require us to divide Scripture into unrelated plans.
The Transition From the Prophets to the Gospels
The Old and New Testaments form one unified communication, with the New Testament building directly on Old Testament history, prophecy, promises fulfilled in Jesus Christ and the soon coming Kingdom of God
Jesus and the apostles read the Scriptures as one story
During Jesus’ earthly ministry, what Christians now call the Old Testament was the Scripture available to Him and His disciples. Jesus quoted it, taught from it, and described it as authoritative. When He said that people should live by “every word that proceeds from the mouth of God” (Matthew 4:4), He was quoting Deuteronomy 8:3.
After His resurrection, Jesus explained to His disciples “in all the Scriptures the things concerning Himself,” beginning with Moses and the Prophets (Luke 24:27). Later, He referred to the Law of Moses, the Prophets, and the Psalms as bearing witness to what had happened and what His disciples were to understand (Luke 24:44–47). The New Testament does not discard the earlier Scriptures; it shows how they point forward to Christ and God’s purpose.
The apostles did the same. They regularly quoted the Law, the Prophets, and the Psalms to explain Jesus’ identity, His mission, the gospel, and Christian conduct. Paul reminded Timothy that the sacred writings he had known from childhood were “able to make you wise for salvation through faith which is in Christ Jesus” (2 Timothy 3:15–17). Those childhood Scriptures were the Hebrew Scriptures. Paul regarded them as inspired and useful for teaching, correction, and training in righteousness.
The New Testament itself also says that the prophets’ writings were preserved for the instruction and encouragement of believers (Romans 15:4; 1 Corinthians 10:11). The Bible’s later books help us understand its earlier books, and its earlier books provide essential context for its later books.
Were the Old Testament Scriptures only for the Jewish people?
The Old Testament records God’s dealings with Israel, and many passages were first given to Israel in a particular historical setting. That context matters. Yet the New Testament shows that these Scriptures also teach and encourage Christians, including gentile believers.
The first Christians were Jews who believed Jesus was the promised Messiah. As the Church grew, gentiles joined them in the faith. The apostles used the Scriptures they already had—the Hebrew Scriptures—to teach these believers about God, Jesus Christ, faith, and the way of life God desires (Acts 17:10–12; Romans 15:4; 2 Timothy 3:15–17). Paul wrote that gentile believers who belong to Christ share in the promise given through the gospel (Ephesians 3:4–6; Galatians 3:26–29).
The New Testament was also written by Jewish followers of Jesus and addressed to congregations that included both Jews and gentiles. Its message is for all whom God calls. So the Bible’s two sections cannot be neatly assigned to two separate peoples. The Old Testament gives the foundation; the New Testament continues and clarifies the story.
Unity does not erase context or every distinction
Reading the Bible as a unified whole does not mean treating every passage as if it were written at the same time, to the same audience, or under the same circumstances. The Bible records different covenants and stages in God’s plan. Some instructions were given to ancient Israel in specific settings, and the New Testament explains how Jesus’ sacrifice and the New Covenant relate to God’s promises and laws (Hebrews 8:6–13; 9:11–15).
Unity means allowing the whole Bible to inform our understanding. We should ask who was speaking, to whom, and in what setting; then we should compare Scripture with Scripture. A passage should not be isolated from the rest of God’s Word or dismissed simply because it appears in the Old Testament.
This is why we encourage readers to be cautious of any approach that separates the Bible into disconnected eras with unrelated divine purposes. Christians may use different frameworks to describe biblical history, but those frameworks should help us understand Scripture rather than cause us to set one part of God’s Word against another. Jesus said He did not come to destroy the Law or the Prophets, but to fulfill them (Matthew 5:17–19). His teaching helps us understand their meaning and purpose.
Let the Bible interpret itself
A sound approach begins with Scripture. Rather than forcing the Bible to fit inherited assumptions, we can examine what it says in context, compare related passages, and be willing to adjust our understanding when the text calls for it.
The apostle Peter cautioned that prophecy is not a matter of private interpretation and explained that prophecy came as people were moved by the Holy Spirit (2 Peter 1:20–21). Paul likewise wrote that “all Scripture is given by inspiration of God” and equips God’s people for good work (2 Timothy 3:16–17). These principles encourage humility: we read carefully, seek the intended meaning, and let clearer passages help us understand more difficult ones.
Hebrews describes God’s Word as “living and powerful, and sharper than any two-edged sword” (Hebrews 4:12). Scripture is not merely a collection of ancient ideas. It is God’s instruction, exposing error and helping us discern what is true.
The Bible tells one continuing story
From Genesis to Revelation, the Bible reveals God’s purpose for humanity. It begins with creation and humanity’s relationship with God. It records the entrance and consequences of sin, God’s promises to Abraham and Israel, the prophetic hope of the Messiah and the Kingdom, Jesus Christ’s life, death, and resurrection, and the future God promises to those who belong to Him.
The New Testament does not introduce a different God or cancel the story that came before it. It reveals the promised Messiah and explains more fully how God’s plan is being carried forward. The Old Testament is not simply a book for someone else, and the New Testament is not detached from its foundation. Together, they give us the full biblical witness.
As you study, read broadly and carefully. Search the Scriptures, compare passages, and ask God to help you understand His Word. Our prayer is that every visitor will discover what the Bible teaches from Genesis to Revelation—and grow in confidence that God’s message is one unified revelation.
Continue Studying
- What Does the Bible Really Teach? A Biblical Overview of the Christian Faith
- What Is the Gospel of Jesus Christ?
- Who Is Jesus Christ?
- Which Old Testament Laws Should Christians Keep Today?
- What Is the New Covenant?