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Teachings 

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The New Testament: A Covenant Fulfilled in Christ

The New Testament is more than the later part of a Bible. Its name points to the covenant fulfilled through Jesus, and its twenty-seven books help us understand His saving work and the life of His people.

Source book: Introduction to the New Testament Simplified
Source chapter: Chapter 1 — The New Testament: its books, world, and message
Source author: Ssentaba Ronald Salongo
Prepared for: Theos Transforming Ministries Teaching Library

Key Scripture

Jeremiah 31:31–34; Luke 22:14–20; Acts 1:1–8

Read these passages in context in your Bible before working through the lesson. Keep the passage open as you read and apply the teaching.

Teaching Explanation

Begin with the covenant

At the Last Supper, Jesus connects His coming death with the new covenant. Jeremiah’s promise concerns forgiveness and God’s law written within His people. The name New Testament therefore directs attention to God’s saving relationship with His people, rather than simply to the age of a collection of writings.

Know the shape of the collection

Four Gospels proclaim Jesus’ ministry, death and resurrection. Acts follows the witness of the risen Christ’s people through the Spirit. Twenty-one letters instruct believers and address particular needs; Revelation calls churches to faithful worship and endurance through prophetic visions. Thirteen letters bear Paul’s name. Hebrews does not identify its writer, so certainty about its authorship should not be invented.

Read Jesus within the whole biblical story

Creation, covenant, Passover, sacrifice, kingdom, exile and restoration provide the setting for the gospel. The Old Testament remains essential. Fulfilment in Christ does not mean every earlier detail is a private code. Follow the quotations and connections the New Testament itself makes, while first respecting the earlier passage’s meaning.

Remember the real world of the first readers

The books speak within the world of Roman rule and diverse Jewish communities. Names, rulers and local problems should be distinguished carefully. A letter addressing a particular church difficulty is best understood before being applied to a different setting. Historical attention helps us hear the text instead of making it repeat our assumptions.

Practical Application

Read Luke 22:14–20, then Jeremiah 31:31–34. Write what the passages say about God’s initiative, forgiveness and covenant. Begin a Gospel reading plan and ask how each passage reveals Christ and calls for a response in faith and conduct.

Explore the Full Book

Find Introduction to the New Testament Simplified in our book catalogue. Selected titles are free; other complete books are available by request. Contact the author through the catalogue for formats, prices and delivery details.

Adapted for the web from the source named above. © 2026 Theos Transforming Ministries Library. Please share this page link and acknowledge the source when using the lesson in your group.