Jeremiah 9:23

The Text

Three sentences, three prohibitions, all built the same way. The wise man is not to boast in his wisdom, the strong man not in his strength, the rich man not in his riches. Verse 23 is only the negative half of a couplet; verse 24 supplies what is left standing once the three great human securities have been swept off the table, namely knowing the God who does loving kindness, justice and righteousness in the earth, and delights in doing them.

The Core

Notice that God does not call wisdom, power and wealth evil. He calls them insufficient as ground for boasting. That distinction matters. Jeremiah is not writing an ascetic tract against competence or property; he is dismantling the human habit of turning a gift into an identity. Wisdom is real, strength is real, riches are real, and every one of them will fail you in the hour Jeremiah has just described, where death climbs in at the window and no one gathers the bodies. What survives that hour is one thing only: that you know God, and that the God you know is committed to loving kindness, justice and righteousness. Salvation, in this verse, is relational before it is anything else. It is not what you have accumulated but whom you have come to understand.

The Common Thread

Paul reaches for this verse twice in his letters to Corinth, both times to cut the legs out from under a church impressed by clever speakers and impressive people. And when he does it in 1 Corinthians 1, he first says something startling: that Christ has become for us wisdom from God, and righteousness, and sanctification, and redemption. Look at that list again next to Jeremiah's. The three things forbidden as grounds for boasting are relocated into a person. You may not boast in your wisdom, but you may boast in the Wisdom who was crucified. You may not boast in your strength, but the weakness of God is stronger than men. Jeremiah empties the hand so that Christ can fill it. The prohibition is not the last word; it clears ground for an incarnation.

The Mirror

Test yourself against the three. Where does your sentence about yourself begin? For some it is competence: you are the one who sees what others miss, who reads the situation, whose judgment gets asked for. For others it is capacity: you can carry more, work longer, hold the family together, and the thought of being carried is unbearable. For others it is the number in the account, or the house that proves you made it, or simply the quiet knowledge that you would be fine if things went bad. None of these is a sin. Each becomes one the moment it becomes your answer to the question of who you are. Jeremiah's audience had all three and lost all three inside a generation. The question is not whether yours will be taken, but what you will have when it is.

The Detail

The verb behind "glory" is halal, the same root that gives us hallelujah, "praise Yah". It is not a cool word for self-assessment; it is the language of worship turned inward. To boast in your wisdom is to sing a hymn with yourself as the subject. That is why the verse is not about modesty as a social virtue but about idolatry, and why verse 24 does not tell the boaster to stop boasting but to redirect the boasting. God is not asking for a lowered volume. He is asking for a changed object. The instinct to exult in something is good and God-given; it is simply pointed at the wrong altar, and the cure is not silence but a better song.

The Intertext

Set this verse against the end of the chapter, where God announces judgment on those circumcised only in the flesh and declares that the whole house of Israel is "uncircumcised in heart." The two passages say the same thing from opposite sides. Boasting in wisdom, might and riches is the outward badge worn where inward knowledge should be, exactly as a circumcised body without a circumcised heart is a covenant sign with nothing behind it. Both point forward to what Jeremiah will promise later in his book, a covenant written inside people rather than on stone, where no one needs to be told to know the Lord because all of them will. Verse 23 is the demolition; that promise, fulfilled in Christ, is the building.

Context

Jeremiah is preaching in Jerusalem in the last decades before Babylon comes, to a city that still had all three assets. It had wise men, the palace scribes and counsellors who read international politics for a living. It had strength, or thought it did, with a fortified capital and a temple that supposedly guaranteed divine protection. It had wealth, concentrated in a landowning elite who, according to this same chapter, had turned speech itself into a weapon and neighbourliness into ambush. The verse lands not as a general moral maxim but as an obituary read in advance, spoken over a society whose three pillars were about to be pulled down in a single military season.

Reflection

If someone described you to a stranger using only what you are proudest of, which of Jeremiah's three would appear first, and what would that cost you to lose?

Knowing God, in verse 24, means recognising what he delights in. Where in your week does loving kindness, justice or righteousness actually cost you something?

Go deeper in Jeremiah

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The Message of Jeremiah

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Jeremiah and Lamentations: An Introduction and Commentary

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Jeremiah, Lamentations

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