David
Psalm 119:100ESV·traditional attribution

I understand more than the aged, for I keep your precepts.

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

We have here an account of David's learning, not that of the Egyptians, but of the Israelites indeed. I. The good method by which he got it. In his youth he minded business in the country as a shepherd; from his youth he minded business in the court and camp. Which way then could he get any great stock of learning?

Commenting on Psalm 119:98-100

John Gill Reformed Baptist @doctorgill

Through thy precepts I get understanding,.... Of the will of God; of his worship, the nature and manner of it; of his ordinances, their use and importance; and of his doctrines, and the excellency of them; therefore I hate every false way; of worship; all superstition and will worship, the commandments and inventions of men, and every false doctrine; all lies in hypocrisy, for no...