Commentaries:
Verses 9-10 reinforce verse one—that the way is the law of God. Law refers to a broad number of laws. Commandments narrows matters down.
John W. Ritenbaugh
The Covenants, Grace, and Law (Part Two)
Other Forerunner Commentary entries containing Psalms 119:10:
Psalm 50:22
1 Peter 2:11