Numbers 5:5 The LORD said to Moses, (6) ‘Say to the Israelites: ‘When a man or woman wrongs another in any way and so is unfaithful to the LORD, that person is guilty (7) and must confess the sin he has committed. He must make full restitution for his wrong, add one fifth to it and give it all to the person he has wronged.
Matthew 3:6 Confessing their sins, they were baptised by him in the Jordan River.
Matthew 5:23 ‘Therefore, if you are offering your gift at the altar and there remember that your brother has something against you, (24) leave your gift there in front of the altar. First go and be reconciled to your brother; then come and offer your gift.
Acts 19:18 Many of those who believed now came and openly confessed their evil deeds.