Solomon
Proverbs 29:4ESV·traditional attribution

By justice a king builds up the land, but he who exacts gifts tears it down.

Matthew Henry Presbyterian @wholebiblehenry

Here is, 1. The happiness of a people under a good government. The care and business of a prince should be to establish the land, to maintain its fundamental laws, to settle the minds of his subjects and make them easy, to secure their liberties and properties from hostilities and for posterity, and to set in order the things that are wanting; this he must...

John Gill Reformed Baptist @doctorgill

The king by judgment establisheth the land,.... By executing, judgment and justice among his subjects, he establishes the laws of the land, and the government of it; he secures its peace and prosperity, and preserves his people in the possession at their properties and privileges; and makes them rich and powerful, and the state stable and flourishing, so that it continues firm to posterity; such...

Jamieson-Fausset-Brown Reformed @jfbcommentary

by judgment--that is, righteous decisions, opposed to those procured by gifts (compare Pro 28:21), by which good government is perverted. land--for nation.