Proverbs 20:19 (BSB)

He who reveals secrets is a constant gossip; avoid the one who babbles with his lips.

From Proverbs 20. Also in the ESV.

Commentary on Proverbs 20:19

• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on Proverbs 20:19: Two sorts of people are dangerous to be conversed with: - 1. Tale-bearers, though they are commonly flatterers, and by fair speeches insinuate themselves into men's acquaintance. Those are unprincipled people that go about carrying stories, that make mischief among neighbours and relations, that sow in the minds of people jealousies of their governors, of their ministers, and of one another, that reveal secrets which...
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on Proverbs 20:19: He that goeth about as a talebearer revealeth secrets,.... Or, "he that revealeth secrets goeth about as a talebearer"; a man that has really got the secrets of others out of them respecting themselves and families, and the affairs of them, or however pretends he master of them; goes about telling his tales from house to house, to the great prejudice of those whose secrets...
• Jamieson-Fausset-Brown (Reformed), Commentary Critical and Explanatory on the Whole Bible on Proverbs 20:19: Those who love to tell news will hardly keep secrets. flattereth . . . lips--(compare Margin; Pro 1:10). meddle . . . him--literally, "join," or "associate with."
• Keil & Delitzsch (Lutheran), Biblical Commentary on the Old Testament on Proverbs 20:19: Pro 20:19 19 He that goeth out gossiping revealeth a secret; And the babbler have nothing to do. Luther otherwise (like Hitzig) - Be not complicated with him who revealeth a secret, And with the slanderer, and with the false (better: loquacious) mouth, so that ל and the warning apply to the threefold description, a rendering which Kimchi also, and Immanuel, and others at least suggest.