David
Psalm 119:91ESV·traditional attribution

By your appointment they stand this day, for all things are your servants.

John Calvin Reformed @genevareformer

PSALM 119 As this psalm treats of various matters, it is difficult to give an epitome of its contents. There are, however, two things which the prophet mainly aims at; the exhorting of the children of God to follow godliness and a holy life; and the prescribing of the rule, and pointing out the form of the true worship of God, so that the faithful...

Commenting on Psalm 119:1-176

Matthew Henry Presbyterian @wholebiblehenry

Here, 1. The psalmist acknowledges the unchangeableness of the word of God and of all his counsels: "For ever, O Lord! thy word is settled. Thou art for ever thyself (so some read it); thou art the same, and with thee there is no variableness, and this is a proof of it.

Commenting on Psalm 119:89-91

John Gill Reformed Baptist @doctorgill

The wicked have waited for me to destroy me,.... This is another reason why he desires the Lord would save him; because wicked men, such who feared not God, nor regarded men, sons of Belial; such as Saul's courtiers and the conspirators with Absalom were, had laid wait and were waiting an opportunity, and were hoping and expecting to have one, that they might take...