Jeremiah 4:14
O Jerusalem, wash your heart from evil, that you may be saved. How long shall your wicked thoughts lodge within you?
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.
Proverbs 1:22
"How long, O simple ones, will you love being simple? How long will scoffers delight in their scoffing and fools hate knowledge?
Jeremiah 13:27
I have seen your abominations, your adulteries and neighings, your lewd whorings, on the hills in the field. Woe to you, O Jerusalem! How long will it be before you are made clean?"
Psalm 66:18
If I had cherished iniquity in my heart, the Lord would not have listened.
Psalm 119:113
I hate the double-minded, but I love your law.
Isaiah 1:16-19
Wash yourselves; make yourselves clean; remove the evil of your deeds from before my eyes; cease to do evil,
Isaiah 55:7
let the wicked forsake his way, and the unrighteous man his thoughts; let him return to the LORD, that he may have compassion on him, and to our God, for he will abundantly pardon.
Ezekiel 18:31
Cast away from you all the transgressions that you have committed, and make yourselves a new heart and a new spirit! Why will you die, O house of Israel?
Matthew 12:33
"Either make the tree good and its fruit good, or make the tree bad and its fruit bad, for the tree is known by its fruit.
Matthew 15:19-20
For out of the heart come evil thoughts, murder, adultery, sexual immorality, theft, false witness, slander.
Luke 11:39
And the Lord said to him, "Now you Pharisees cleanse the outside of the cup and of the dish, but inside you are full of greed and wickedness.
Acts 8:22
Repent, therefore, of this wickedness of yours, and pray to the Lord that, if possible, the intent of your heart may be forgiven you.
Romans 1:21
For although they knew God, they did not honor him as God or give thanks to him, but they became futile in their thinking, and their foolish hearts were darkened.
1 Corinthians 3:20
and again, "The Lord knows the thoughts of the wise, that they are futile."