Proverbs 15:15 (BSB)

All the days of the oppressed are bad, but a cheerful heart has a continual feast.

From Proverbs 15. Also in the ESV.

Commentary on Proverbs 15:15

• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on Proverbs 15:15: See here what a great difference there is between the condition and temper of some and others of the children of men. 1. Some are much in affliction, and of a sorrowful spirit, and all their days are evil days, like those of old age, and days of which they say they have no pleasure in them. They eat in darkness (Ecc 5:17) and never eat with pleasure, Job 21:25.
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on Proverbs 15:15: All the days of the afflicted are evil,.... And some are afflicted all their days, from their youth up; so that not only the days of old age are evil days, in which they have no pleasure, but even the days of their youth; all their days, as Jacob says, "few and evil have the days of the years of my life been", Gen 47:9...
• Jamieson-Fausset-Brown (Reformed), Commentary Critical and Explanatory on the Whole Bible on Proverbs 15:15: The state of the heart governs the outward condition. evil--sad, contrasted with the cheerfulness of a feast.
• Keil & Delitzsch (Lutheran), Biblical Commentary on the Old Testament on Proverbs 15:15: Pro 15:15 15 All the days of the afflicted are evil; But he who is of a joyful heart hath a perpetual feast. Regarding עני (the afflicted), vid., 21b. They are so called on whom a misfortune, or several of them, press externally or internally.