Faith and Salvation

What Is the New Covenant in the Bible?

The new covenant is God's promise, sealed through Christ's blood, to forgive sin completely and write His law on believers' hearts, replacing an external system of ceremonial law-keeping with an internal, Spirit-empowered relationship.

Published 2026-09-13 · Updated 2026-09-27

Written and reviewed by the Word Oasis Editorial Team. Read our editorial policy.

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Biblical explanation

Jeremiah prophesied of a coming covenant in which God would put His law “in their inward parts, and write it in their hearts” and would remember their sin no more (). Jesus fulfilled this promise at the Last Supper, saying, “this cup is the new testament in my blood, which is shed for you” (), and Hebrews explains that this new covenant, established on better promises, makes the old sacrificial system obsolete (). Under this covenant, obedience flows from a transformed heart empowered by the Holy Spirit rather than mere external compliance, fulfilling God's original intention that His people would love and obey Him from genuine devotion rather than obligation alone.

In brief

Jeremiah prophesied of a coming covenant in which God would put His law “in their inward parts, and write it in their hearts” and would remember their sin no more ().

Bible references

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Editorial note

This answer is written and reviewed by the Word Oasis Editorial Team, and is presented with supporting references so you can examine each passage in context. If you notice an error or unclear statement, please suggest a correction.