Proverbs 27:3 Midrash

כֹּֽבֶד־אֶ֭בֶן וְנֵ֣טֶל הַח֑וֹל וְכַ֥עַס אֱ֝וִ֗יל כָּבֵ֥ד מִשְּׁנֵיהֶֽם׃

A stone is heavy, and the sand weighty; But a fool’s vexation is heavier than they both.

Read midrashic interpretation of Proverbs 27:3: and classical rabbinic exegesis.