Proverbs 27:3 (BSB)

A stone is heavy and sand is a burden, but aggravation from a fool outweighs them both.

From Proverbs 27. Also in the ESV.

Commentary on Proverbs 27:3

• Matthew Henry (Presbyterian), Matthew Henry's Complete Commentary on Proverbs 27:3-4: These two verses show the intolerable mischief, 1. Of ungoverned passion. The wrath of a fool, who when he is provoked cares not what he says and does, is more grievous than a great stone or a load of sand. It lies heavily upon himself. Those who have no command of their passions do themselves even sink under the load of them.
• John Gill (Reformed Baptist), Exposition of the Old and New Testaments on Proverbs 27:3: A stone is heavy, and the sand weighty,.... As was the stone which was at the well's mouth, where Laban's flocks were watered, which could not be rolled away till all the shepherds were gathered together, Gen 29:2; and like the burdensome stone Jerusalem is compared to Zac 12:3; and as that at the sepulchre of Christ, rolled away by the angel, Mat 28:2.
• Jamieson-Fausset-Brown (Reformed), Commentary Critical and Explanatory on the Whole Bible on Proverbs 27:3: heavy--The literal sense of "heavy," applied to material subjects, illustrates its figurative, "grievous," applied to moral. a fool's wrath--is unreasonable and excessive.
• Keil & Delitzsch (Lutheran), Biblical Commentary on the Old Testament on Proverbs 27:3: Pro 27:3 The second pair of proverbs designates two kinds of violent passion as unbearable: 3 The heaviness of a stone, the weight of sand - A fool’s wrath is heavier than both. We do not translate: Gravis est petra et onerosa arena, so that the substantives stand for strengthening the idea, instead of the corresponding adjective (Fleischer, as the lxx, Jerome, Syr., Targum); the...