Matthew 23:26
Thou blind Pharisee, cleanse first, the inside of the cup and dish, that the outside of them may be clean also.
Matthew 12:33
Either make the tree good and its fruit good, or make the tree corrupt and its fruit corrupt; for the tree is known by its fruit.
Luke 6:45
A good man, out of the good treasure of his heart, bringeth forth that which is good; and an evil man, out of the evil treasure of his heart, bringeth forth that which is evil; for of the abundance of the heart the mouth speaketh.
2 Corinthians 7:1
Having therefore, beloved, these promises, let us cleanse ourselves from all pollution of the flesh and of the spirit, perfecting holiness in the fear of God.
Hebrews 10:22
Let us draw near with a true heart, in full assurance of faith, having our hearts sprinkled from an evil conscience, and our bodies washed with pure water.
James 4:8
Draw nigh to God and he will draw nigh to you: cleanse your hands, ye sinners, and purify your hearts, ye double-minded.