Fret not thyself because of evil men — i.e., at the sight of their prosperity, the same difficulty which occurred to the Psalmist (Psalms 37:1). (Comp. also Psalms 73:3 and Jeremiah 12:1.)
Related Commentaries of Proverbs 24:19
Proverbs 24:19
19 Fretb not thyself because of evil men, neither be thou envious at the wicked;