Jeremiah 4:14
O Jerusalem, wash thine heart from wickedness that thou may be saved. How long shalt thou entertain the thoughts of thy iniquity within thee?
James 4:8
Draw near to God, and he will draw near to you. Cleanse your hands, ye sinners; and purify your hearts, ye double minded.
Proverbs 1:22
How long, ye simple ones, will ye love simplicity? and the scorners delight in their scorning, and the fools hate knowledge?
Jeremiah 13:27
I have seen thine adulteries and thy neighings, the lewdness of thy whoredom upon the hills; in the same field I saw thine abominations. Woe unto thee, O Jerusalem! wilt thou not be made clean at last? How long then shall it be?
Psalm 66:18
If I regard iniquity in my heart, the Lord will not hear me:
Psalm 119:113
SAMECH. I hate vain thoughts; but I love thy law.
Isaiah 1:16-19
Wash yourselves, make yourselves clean; put away the evil of your doings from before my 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 the LORD, 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 iniquities by which ye have rebelled, and make yourselves 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.
Matthew 15:19-20
For out of the heart proceed evil thoughts, murders, adulteries, fornications, thefts, false witness, blasphemies:
Matthew 23:26-27
Thou blind Pharisee, cleanse first that which is within the cup and platter that the outside of them may be clean also.
Luke 11:39
And the Lord said unto him, Now do ye Pharisees make clean the outside of the cup and the platter; but your inward part is full of ravening and wickedness.
Acts 8:22
Repent therefore of this thy wickedness and pray God, if perhaps this thought of thine heart may be forgiven thee.
Romans 1:21
because having known God, they did not glorify him as God, neither were thankful, but became vain in their imaginations, and their foolish heart was darkened.
1 Corinthians 3:20
And again, The Lord knows the thoughts of the wise, that they are vain.