Matthew 23:26
You blind Pharisee! First clean the inside of the cup, so that its outside may also be clean.
Isaiah 55:7
Let the wicked forsake his way, and the unrighteous person his thoughts. Let him return to the LORD, So he'll have mercy upon him, and to our God, for he'll pardon abundantly.
Jeremiah 4:14
Jerusalem, wash your evil from your heart so that you may be delivered. How long will you harbor evil schemes within you?
Jeremiah 13:27
I've seen your detestable behavior: your adulteries, your passionate neighing, your lewd immorality on the hills in the field. How terrible it will be for you, Jerusalem! You are unclean. How much longer will this go on?"
Ezekiel 18:31
Stop your transgressing the deeds by which you've rebelled and then make for yourselves a new heart and a new spirit. Why should you die, you house of Israel?
Matthew 12:33
"Either make the tree good and its fruit good, or make the tree rotten and its fruit rotten, because a tree is known by its fruit.
Luke 6:45
A good person produces good from the good treasure of his heart, and an evil person produces evil from an evil treasure, because the mouth speaks from the overflow of the heart."
2 Corinthians 7:1
Since we have these promises, dear friends, let's cleanse ourselves from everything that contaminates body and spirit by becoming mature in our holy fear of God.
Hebrews 10:22
let us continue to come near with sincere hearts in the full assurance that faith provides, because our hearts have been sprinkled clean from a guilty conscience, and our bodies have been washed with pure water.
James 4:8
Come close to God, and he will come close to you. Cleanse your hands, you sinners, and purify your hearts, you double-minded.