Solomon
Proverbs 14:8ESV·traditional attribution

The wisdom of the prudent is to discern his way, but the folly of fools is deceiving.

Matthew Henry Presbyterian @wholebiblehenry

See here, 1. The good conduct of a wise and good man; he manages himself well. it is not the wisdom of the learned, which consists only in speculation, that is here recommended, but the wisdom of the prudent, which is practical, and is of use to direct our counsels and actions.

John Gill Reformed Baptist @doctorgill

The wisdom of the prudent is to understand his way,.... The way of his calling, in which he should abide, and how to manage it in the best manner; the way of his duty, that he may walk inoffensively both towards God and men; and the way of life and salvation, which is by Jesus Christ, which to understand and to walk in is the...

Jamieson-Fausset-Brown Reformed @jfbcommentary

Appearances deceive the thoughtless, but the prudent discriminate.