Solomon
Proverbs 22:12ESV·traditional attribution

The eyes of the LORD keep watch over knowledge, but he overthrows the words of the traitor.

Matthew Henry Presbyterian @wholebiblehenry

Here is, 1. The special care God takes to preserve knowledge, that is, to keep up religion in the world by keeping up among men the knowledge of himself and of good and evil, notwithstanding the corruption of mankind, and the artifices of Satan to blind men's minds and keep them in ignorance.

John Gill Reformed Baptist @doctorgill

The eyes of the Lord preserve knowledge,.... That is, the providence of God, whose eyes run to and fro throughout the whole earth; these preserve the knowledge of himself, even among the Heathens in some measure; for what may be known of God is manifest in them, and showed to them: more particularly his providence has preserved the Scriptures, the means of knowledge, which men...

Jamieson-Fausset-Brown Reformed @jfbcommentary

preserve--or guard. knowledge--its principles and possessors. overthroweth--utterly confounds and destroys the wicked.