Solomon
Proverbs 17:12ESV·traditional attribution

Let a man meet a she-bear robbed of her cubs rather than a fool in his folly.

Matthew Henry Presbyterian @wholebiblehenry

Note, 1. A passionate man is a brutish man. However at other times he may have some wisdom, take him in his passion ungoverned, and he is a fool in his folly; those are fools in whose bosom anger rests and in whose countenance anger rages.

John Gill Reformed Baptist @doctorgill

Let a bear robbed of her whelps meet a man,.... A bear is a very fierce and furious creature, especially a she bear; and she is still more so when robbed of her whelps, which she has just whelped, and been at great pains to lick into shape and form, by which her fondness to them is increased; and therefore, being stripped of them, is...

Jamieson-Fausset-Brown Reformed @jfbcommentary

They are less rational in anger than wild beasts.