cleanse.

Matthew 12:33
Make a tree good and its fruit will be good, or make a tree bad and its fruit will be bad; for a tree is known by its fruit.

Isaiah 55:7
Let the wicked man forsake his own way and the unrighteous man his own thoughts; let him return to the LORD, that He may have compassion, and to our God, for He will freely pardon.

Jeremiah 4:14
Wash the evil from your heart, O Jerusalem, so that you may be saved. How long will you harbor wicked thoughts within you?

Jeremiah 13:27
Your adulteries and lustful neighings, your shameless prostitution on the hills and in the fields--I have seen your detestable acts. Woe to you, O Jerusalem! How long will you remain unclean?"

Ezekiel 18:31
Cast away from yourselves all the transgressions you have committed, and fashion for yourselves a new heart and a new spirit. Why should you die, O house of Israel?

Luke 6:45
The good man brings good things out of the good treasure of his heart, and the evil man brings evil things out of the evil treasure of his heart. For out of the overflow of the heart, the mouth speaks.

2 Corinthians 7:1
Therefore, beloved, since we have these promises, let us cleanse ourselves from everything that defiles body and spirit, perfecting holiness in the fear of God.

Hebrews 10:22
let us draw near with a sincere heart in full assurance of faith, having our hearts sprinkled to cleanse us from a guilty 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.