David
Psalm 119:88ESV·traditional attribution

In your steadfast love give me life, that I may keep the testimonies of your mouth. Lamedh

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 is, 1. David in care to be found in the way of his duty. His constant desire and design are to keep the testimony of God's mouth, to keep to it as his rule and to keep hold of it as his confidence and portion for ever. This we must keep, whatever we lose. 2.

John Gill Reformed Baptist @doctorgill

Unless thy law had been my delights,.... Not the law of works, the voice of words, which they that heard entreated they might hear no more; which is terrible, and works wrath in the conscience; is a cursing and damning law to the transgressors of it; and so not delightful, unless as considered in the hands of Christ, the fulfilling end of it: but the...