1 John 1:8-10

If we say that we have no sin, we deceive ourselves, and the truth is not in us.

Matthew 3:6-10

and were baptized by him in Jordan, on making confession of their sins.

Matthew 23:25-28

Wo unto you, scribes and Pharisees, hypocrites! for ye cleanse the outside of the cup, and of the dish, but within they are full of rapacity and intemperance.

Matthew 27:4-5

saying, I have sinned, in betraying innocent blood. But they said, What is that to us? see thou to that.

Luke 15:18-24

I will arise and go to my father, and will say unto him, Father, I have sinned against heaven, and before thee,

Acts 26:20

but preached first to those at Damascus, and Jerusalem, and to all the region of Judea, and to the Gentiles, that they should repent and turn to God, practicing works worthy of repentance.

Treasury of Scripture Knowledge

Summary

He that covereth his sins shall not prosper: but whoso confesseth and forsaketh them shall have mercy.

Bible References

That

Matthew 23:25
Wo unto you, scribes and Pharisees, hypocrites! for ye cleanse the outside of the cup, and of the dish, but within they are full of rapacity and intemperance.

Whoso

Luke 15:18
I will arise and go to my father, and will say unto him, Father, I have sinned against heaven, and before thee,
1 John 1:8
If we say that we have no sin, we deceive ourselves, and the truth is not in us.

And forsaketh

Matthew 3:6
and were baptized by him in Jordan, on making confession of their sins.
Matthew 27:4
saying, I have sinned, in betraying innocent blood. But they said, What is that to us? see thou to that.
Acts 26:20
but preached first to those at Damascus, and Jerusalem, and to all the region of Judea, and to the Gentiles, that they should repent and turn to God, practicing works worthy of repentance.