Solomon
Proverbs 21:22ESV·traditional attribution

A wise man scales the city of the mighty and brings down the stronghold in which they trust.

Matthew Henry Presbyterian @wholebiblehenry

Note, 1. Those that have power are apt to promise themselves great things from their power. The city of the mighty thinks itself impregnable, and therefore its strength is the confidence thereof, what it boasts of and trust in, bidding defiance to danger. 2.

John Gill Reformed Baptist @doctorgill

A wise man scaleth the city of the mighty,.... Which makes good what is elsewhere said, that "wisdom is better than strength", Ecc 9:16; and sometimes more is done by prudence and wisdom, by art and cunning, by schemes and stratagems, than by power and force; especially in military affairs, and particularly in besieging and taking fortified cities; when one wise man, by his wisdom...

Jamieson-Fausset-Brown Reformed @jfbcommentary

"Wisdom is better than strength" (Ecc 7:19; Ecc 9:15). strength . . . thereof--that in which they confide.