Solomon
Proverbs 20:8ESV·traditional attribution

A king who sits on the throne of judgment winnows all evil with his eyes.

Matthew Henry Presbyterian @wholebiblehenry

Here is, 1. The character of a good governor: He is a king that deserves to be called so who sits in the throne, not as a throne of honour, to take his ease, and take state upon him, and oblige men to keep their distance, but as a throne of judgment, that he may do justice, give redress to the injured and punish the...

John Gill Reformed Baptist @doctorgill

A king that sitteth in the throne of judgment,.... That executes judgment himself, as David and Solomon did; who ascends the throne, and sits personally there, and hears and tries causes himself, and not by his servants: scattereth away all evil with his eyes; all evil men, as the Targum; everyone that is evil, as Aben Ezra: he will easily and quickly discern who is...

Jamieson-Fausset-Brown Reformed @jfbcommentary

As in Pro 14:35; Pro 16:10, Pro 16:15, this is the character of a good king, not of all kings.