Moses
Psalm 119:160ESV·traditional attribution

The sum of your word is truth, and every one of your righteous rules endures forever. Sin and Shin

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

David here comforts himself with the faithfulness of God's word, for the encouragement of himself and others to rely upon it. 1. It has always been found faithful hitherto, and never failed any that ventured upon it; It is true from the beginning. Ever since God began to reveal himself to the children of men all he said was true and to be trusted.

John Gill Reformed Baptist @doctorgill

Great peace have they which love thy law,.... The Targum adds, "in this world.'' Great prosperity, especially prosperity of soul, inward peace, peace of conscience, peace in Christ, and from him, flowing from his blood, righteousness, and sacrifice, and a view of interest therein; which is usually enjoyed in a way of believing, and frequently had in the ways, worship, and ordinances of God.