'Pure Heart' in the Bible

The one who has clean hands and a pure heart,who has not set his mind on what is false,and who has not sworn deceitfully.

He shepherded them with a pure heartand guided them with his skillful hands.

The one who loves a pure heartand gracious lips—the king is his friend.

Now the goal of our instruction is love that comes from a pure heart, a good conscience, and a sincere faith.

Flee from youthful passions, and pursue righteousness, faith, love, and peace, along with those who call on the Lord from a pure heart.

By obedience to the truth, having purified yourselves for sincere love of the brothers, love one another earnestly from a pure heart,