Solomon
Proverbs 14:17ESV·traditional attribution

A man of quick temper acts foolishly, and a man of evil devices is hated.

Matthew Henry Presbyterian @wholebiblehenry

Note, 1. Passionate men are justly laughed at. Men who are peevish and touchy, and are soon angry upon every the least provocation, deal foolishly; they say and do that which is ridiculous, and so expose themselves to contempt; they themselves cannot but be ashamed of it when the heat is over.

John Gill Reformed Baptist @doctorgill

He that is soon angry dealeth foolishly,.... A man that is quick and short, of a hasty spirit, and presently discovers anger and resentment in his face; he says and does many foolish things, which he afterwards is sorry for, and repents, and is ashamed of; and he is to be pitied and forgiven; and a man of wicked devices is hated; one that hides...

Jamieson-Fausset-Brown Reformed @jfbcommentary

He . . . angry--literally, "short of anger" (compare Pro 14:29, opposite idea). man . . . hated--that is, the deliberate evildoer is more hated than the rash.