Bible Verses About Obedience to God: Prepare the heart for

And Samuel spake unto all the house of Israel, saying, If ye do return unto Jehovah with all your heart, then put away the foreign gods and the Ashtaroth from among you, and direct your hearts unto Jehovah, and serve him only; and he will deliver you out of the hand of the Philistines.

For Ezra had set his heart to seek the law of Jehovah, and to do it, and to teach in Israel statutes and ordinances.