Albert Barnes Commentary Jeremiah 9:23

"Thus saith Jehovah, 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;" — Jeremiah 9:23 (ASV)

To the end of (Jeremiah 10:0), the prophet urges upon the people the practical conclusion to be drawn from God’s righteous dealings with them. The three things on which people most pride themselves are shown in this verse to have proved vain.