Proverbs 20:8

“A king that sitteth in the throne of judgment, etc.] 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 evil, or who is in a bad cause before him, and will pass sentence on him, and drive him away from him with shame and disgrace, and to receive deserved punishment; or he will terrify persons from coming before him with false witness against their neighbour, or with a wrong cause. This may be applied to Christ, the King of kings,…”

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

“His eyes - With his very looks, or by his diligent inspection into affairs. Proverbs 20:10”

“20:8 The king should be the epitome of wisdom and justice.”

“Pro 20:26, Pro 16:12, Pro 29:14; Sa1 23:3, Sa1 23:4; Sa2 23:4; Psa 72:4, Psa 92:9, Psa 99:4, Psa 101:6-8; Isa 32:1 Proverbs 20:9”

“The following group begins with a royal proverb, which expresses what a king does with his eyes. Two proverbs, of the seeing eye and the necessary opening of the eyes, close it. 8 A king sitting on the seat of justice, Scattereth asunder all evil with his eyes. Excellently the Venet. ἐπὶ θρόνου δίκης, for כּסּא־דין is the name of the seat of rectitude (the tribunal), as the "throne of grace," Heb. 4:17, is the name of the capporeth as the seat of mercy; the seat of the judge is merely called כסא; on the other hand, כסא־דין is the contrast of כּסּא הוּות fo, Psa 94:20 : the seat from which the decision that is in conformity with what is right (cf. e.g., Jer 5:28) goes forth, and where it…”