Matthew 23:26
Thou blind Pharisee, cleanse first the inside of the cup and of the platter, that the outside thereof may become clean also.
Isaiah 55:7
let the wicked forsake his way, and the unrighteous man his thoughts; and let him return unto Jehovah, and he will have mercy upon him; and to our God, for he will abundantly pardon.
Jeremiah 4:14
O Jerusalem, wash thy heart from wickedness, that thou mayest be saved. How long shall thine evil thoughts lodge within thee?
Jeremiah 13:27
I have seen thine abominations, even thine adulteries, and thy neighings, the lewdness of thy whoredom, on the hills in the field. Woe unto thee, O Jerusalem! thou wilt not be made clean; how long shall it yet be?
Ezekiel 18:31
Cast away from you all your transgressions, wherein ye have transgressed; and make you a new heart and a new spirit: for why will ye die, O house of Israel?
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
The good man out of the good treasure of his heart bringeth forth that which is good; and the evil man out of the evil treasure bringeth forth that which is evil: for out of the abundance of the heart his mouth speaketh.
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 draw near with a true heart in fulness of faith, having our hearts sprinkled from an evil conscience: and having our body 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 doubleminded.