Matthew 23:26
You 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 unto the LORD, and he will have mercy upon him; and to our God, for he will abundantly pardon.
Jeremiah 4:14
O Jerusalem, wash your heart from wickedness, that you may be saved. How long shall your vain thoughts lodge within you?
Jeremiah 13:27
I have seen your adulteries, and your neighings, the lewdness of your harlotry, and your abominations on the hills in the fields. Woe unto you, O Jerusalem! will you not be made clean? when shall it be?
Ezekiel 18:31
Cast away from you all your transgressions, by which you have transgressed; and make you a new heart and a new spirit: for why will you 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 brings forth that which is good; and an evil man out of the evil treasure of his heart brings forth that which is evil: for of the abundance of the heart his mouth speaks.
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 near to God, and he will draw near to you. Cleanse your hands, you sinners; and purify your hearts, you double-minded.