David
Psalm 119:80ESV·traditional attribution

May my heart be blameless in your statutes, that I may not be put to shame! Kaph

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's prayer for sincerity, that his heart might be brought to God's statutes, and that it might be sound in them, not rotten and deceitful, that he might not rest in the form of godliness, but be acquainted with the subject to the power of it, - that he might be hearty and constant in religion, and that his soul might be in health. 2.

John Gill Reformed Baptist @doctorgill

How many are the days of thy servant?.... If this is to be understood of the days of his life, they were very few, as the days of every man be; and if of his days of joy and comfort, peace and prosperity, they were fewer still; but if of days of adversity and affliction, which seems to be the sense, they were many indeed...