The Jews did glory in the counsel of their wise men, the strength of the soldiers, and the wealth of their cities; but here God takes them off from their vain confidences, that neither their counsels and policy, Ecclesiastes 9:11, nor their forces and arms, Psalms 33:16,17, nor their wealth or riches, Proverbs 11:4 Ezekiel 7:19, should be able to deliver them from being either destroyed or carried captive by the Chaldeans. In these, or some of these, men are apt to put their confidences, and neglect God their only succour in distress; and therefore he puts them upon that in the next verse.
Related Commentaries of Jeremiah 9:23
Jeremiah 9:23
23 Thus saith the LORD, Let not the wise man glory in his wisdom, neither let the mighty man glory in his might, let not the rich man glory in his riches: