David
Psalm 119:90ESV·traditional attribution

Your faithfulness endures to all generations; you have established the earth, and it stands fast.

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

I am thine, save me,.... From all troubles and afflictions; from all enemies, temporal and spiritual; from Satan, and his principalities and powers, from sin, and all the wretched consequences of it; from hell wrath, and damnations: salvation from all which is by Christ.