'Confessing Their Sins' in the Bible

Those truly of Israelite descent separated from all the foreigners, standing and confessing their sins and the iniquities of their ancestors.

For one-fourth of the day they stood in their place and read from the book of the law of the LORD their God, and for another fourth they were confessing their sins and worshiping the LORD their God.

And were baptized of him in Jordan, confessing their sins.

And there went out unto him all the land of Judaea, and they of Jerusalem, and were all baptized of him in the river of Jordan, confessing their sins.

Many of the believers also came confessing their sins and describing what they had [previously] done.