Solomon
Proverbs 25:9ESV·traditional attribution

Argue your case with your neighbor himself, and do not reveal another’s secret,

Matthew Henry Presbyterian @wholebiblehenry

I. Here is good counsel given about going to law: - 1. "Be not hasty in bringing an action, before thou hast thyself considered it, and consulted with thy friends about it: Go not forth hastily to strive; do not send for a writ in a passion, or upon the first appearance of right on thy side, but weigh the matter deliberately, because we are...

Commenting on Proverbs 25:8-10

John Gill Reformed Baptist @doctorgill

Debate thy cause with thy neighbour himself,.... Between thee and him alone; lay the matter before him, and hear what he has to say for himself, by which you will better judge of the nature of the cause; try to compromise things, and make up the difference between you, which is much better than to commence a lawsuit; at least such a step should be...

Jamieson-Fausset-Brown Reformed @jfbcommentary

(Compare Mat 5:25, Margin). secret--that is, of your opponent, for his disadvantage, and so you be disgraced, not having discussed your difficulties with him.