Psalm 119:34 in the King James Version
Give me understanding, and I shall keep thy law; yea, I shall observe it with my whole heart.
Context
33 Teach me, LORD, the way of your statutes. I will keep them to the end.
34 Give me understanding, and I will keep your law. Yes, I will obey it with my whole heart.
35 Direct me in the path of your commandments, for I delight in them.