Solomon
Proverbs 15:22BSB·traditional attribution

Plans fail for lack of counsel, but with many advisers they succeed.

Matthew Henry Presbyterian

See here, 1. Of what ill consequence it is to be precipitate and rash, and to act without advice: Men's purposes are disappointed, their measures broken, and they come short of their point, gain not their end, because they would not ask counsel about the way.

John Gill Reformed Baptist

Without counsel purposes are disappointed,.... If a man determines and resolves upon a matter, and at once hastily and precipitately goes about it, without mature deliberation, without consulting with himself, and taking the advice of others in forming a scheme to bring about his designs, it generally comes to nothing; see Luk 14:28; or "without a secret" (s) without keeping one; if a man divulges...

Jamieson-Fausset-Brown Reformed

Without counsel--or, "deliberation," implying a wise deference to the opinions of the wise and good, contrasted with rashness.