Ecclesiastes 7:22
For your heart knows that you also have cursed others many times.
1 Kings 2:44
Then the king said to Shimei, "You know all the evil which your heart knows, what you did to David my father. Now Yahweh will return the evil on your head,
Matthew 15:19
For from the heart come evil plans, murder, adultery, sexual immorality, theft, false witness, abusive speech.
Matthew 18:32-35
Then his master summoned him [and] said to him, 'Wicked slave! I forgave you all that debt because you implored me!
John 8:7-9
And when they persisted in asking him, straightening up he said to them, "The [one] of you without sin, let him throw the first stone at her!"
James 3:9
With it we bless the Lord and Father, and with it we curse people who are made in the likeness of God.