Jeremiah 4:14
O Jerusalem, wash thy heart from wickedness, that thou mayest be saved. How long shall thine evil thoughts lodge within thee?
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.
Proverbs 1:22
How long, ye simple ones, will ye love simplicity? And scoffers delight them in scoffing, And fools hate knowledge?
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?
Psalm 66:18
If I regard iniquity in my heart, The Lord will not hear:
Psalm 119:113
SAMEKH. I hate them that are of a double mind; But thy law do I love.
Isaiah 1:16-19
Wash you, make you clean; put away the evil of your doings from before mine eyes; cease to do evil;
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.
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.
Matthew 15:19-20
For out of the heart come forth evil thoughts, murders, adulteries, fornications, thefts, false witness, railings:
Matthew 23:26-27
Thou blind Pharisee, cleanse first the inside of the cup and of the platter, that the outside thereof may become clean also.
Luke 11:39
And the Lord said unto him, Now ye the Pharisees cleanse the outside of the cup and of the platter; but your inward part is full of extortion and wickedness.
Acts 8:22
Repent therefore of this thy wickedness, and pray the Lord, if perhaps the thought of thy heart shall be forgiven thee.
Romans 1:21
because that, knowing God, they glorified him not as God, neither gave thanks; but became vain in their reasonings, and their senseless heart was darkened.
1 Corinthians 3:20
and again, The Lord knoweth the reasonings of the wise that they are vain.