Matthew Poole and continuators on Psalms 99:4

4 The kings strength also loveth judgment : thou dost establish equity , thou executest judgment and righteousness in Jacob .

Though his Dominion be absolute and uncontroulable and his power irresistible, yet he doth not abuse it to tyranny and oppression, as the Princes of the World commonly do, but tempers and manageth it with righteousness, and not onely doth judge justly, but, which is more, loves to do so. The Kings strength is by a known Hebraism put for the strong, or powerful King.

To wit, in all thy proceedings. Equity is thy constant and stable course.

Amongst thine own people; whom, when they do amiss, he punisheth no less than other people, as he notes below v. 8. whereby he sheweth that he is no respecter of persons, but a righteous and impartial Judge to all sorts of men.

Marginal references: Psal. 98. 6.