Proverbs 15:21 (BSB)

Folly is joy to one who lacks judgment, but a man of understanding walks a straight path.

From Proverbs 15. Also in the ESV.

Commentary on Proverbs 15:21

• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on Proverbs 15:21: Note, 1. It is the character of a wicked man that he takes pleasure in sin; he has an appetite to the bait, and swallows it greedily, and has no dread of the hook, nor feels from it when he has swallowed it: Folly is joy to him; the folly of others is so, and his own much more.
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on Proverbs 15:21: Folly is joy to him that is destitute of wisdom,.... Or "that wants a heart" (q), a wise and understanding one; by "folly" is meant sin, for all sin is folly; and that is very pleasing and joyous to a wicked he chooses it and delights in it; instead of being ashamed of it, and sorry for it, he glories in it, and makes his...
• Jamieson-Fausset-Brown (Reformed), Commentary Critical and Explanatory on the Whole Bible on Proverbs 15:21: walketh uprightly--and so finds his joy (Pro 3:6; Pro 10:23).
• Keil & Delitzsch (Lutheran), Biblical Commentary on the Old Testament on Proverbs 15:20-23: Pro 15:20-23 This collection of Solomonic proverbs began, Pro 10:1, with a proverb having reference to the observance of the fourth commandment, and a second chief section, Pro 13:1, began in the same way. Here a proverb of the same kind designates the beginning of a third chief section.