Matthew 23:26
Thou blind Pharisee, cleanse first that which is within the cup and platter, that the outside of them may be clean also.
Isaiah 55:7
Let the wicked forsake his way, and the unrighteous man his thoughts: and let him return to the LORD, 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 thy vain thoughts lodge within thee?
Jeremiah 13:27
I have seen thy adulteries, and thy neighings, the enormity of thy lewdness, and thy abominations on the hills in the fields. Woe to thee O Jerusalem! wilt thou not be made clean? when shall it once be?
Ezekiel 18:31
Cast away from you all your transgressions, by which 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 else 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 from the abundance of the heart his mouth speaketh.
2 Corinthians 7:1
Having therefore these promises, dearly beloved, let us cleanse ourselves from all filthiness of the flesh and 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.