Matthew 23:26
Blind Pharisees! cleanse first the inside of the cup and of the dish, that its outside also may become clean.
Matthew 12:33
Either make the tree good and its fruit good, or make the tree worthless and its fruit worthless; for from the fruit the tree is known.
Luke 6:45
"The good man out of the good treasure of his heart brings forth that which is good; and the evil, out of the evil treasure brings forth that which is evil; for out of the abundance of the heart does his mouth speak.
2 Corinthians 7:1
Having, therefore, these promises, beloved, let us cleanse ourselves from all defilement of flesh and spirit, perfecting holiness in the fear of God.
Hebrews 10:22
let us approach with a true heart in full assurance of faith, having had our hearts sprinkled from an evil conscience, and our body washed with pure water,
James 4:8
Draw nigh to God, and He wild draw nigh to you. Cleanse your hands, ye sinners; and purify your hearts, ye double-minded.