Bible Fact · Jeremiah 31:33 — 'I will put my law within them, and I will write it on their hearts. And I will be their God, and they shall be my people.'
Jeremiah's New Covenant Prophecy
The Fact
Jeremiah 31:31–34 is one of the most significant prophetic texts in the entire Old Testament: 'The days are coming, declares the LORD, when I will make a new covenant with the people of Israel and with the people of Judah. It will not be like the covenant I made with their ancestors when I took them by the hand to lead them out of Egypt, because they broke my covenant... I will put my law in their minds and write it on their hearts. I will be their God, and they will be my people... I will forgive their wickedness and will remember their sins no more.' This prophecy was given around 600 BC, at the lowest point of Judah's history — the Babylonian conquest was underway. The New Testament explicitly identifies the New Covenant as fulfilled through Jesus: at the Last Supper, Jesus said 'This cup is the new covenant in my blood' (Luke 22:20; 1 Corinthians 11:25). Hebrews 8:6–13 quotes Jeremiah 31 in full and declares that Jesus is the mediator of 'a better covenant,' making the old one 'obsolete.'
Context
The 'New Testament' in English comes from the Latin 'Novum Testamentum' — meaning 'New Covenant.' The entire second half of the Christian Bible is named after this single prophecy in Jeremiah.
Significance
The new covenant's distinctive is law written on the heart by the Spirit — not external rules to comply with, but transformed desires. The goal is not behavior modification but heart transformation.
Reflection
God promises to write his law on your heart — not just tell you what to do, but change what you want to do. How much of your Christian life is external compliance versus internal transformation?