Luke 15:18-19

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

John 1:29

The next day John seeth Jesus coming towards him, and saith, Behold the Lamb of God that taketh away the sin of the world.

1 John 1:9

If we confess our sins, He is faithful and just to forgive us our sins, and to cleanse us from all unrighteousness:

Treasury of Scripture Knowledge

Summary

And David said unto God, I have sinned greatly, because I have done this thing: but now, I beseech thee, do away the iniquity of thy servant; for I have done very foolishly.

I have sinned

Do away

Bible References

I have sinned

Luke 15:18
I will rise and go to my father, and will say to him, Father, I have sinned against heaven and before thee,
1 John 1:9
If we confess our sins, He is faithful and just to forgive us our sins, and to cleanse us from all unrighteousness:

Do away

John 1:29
The next day John seeth Jesus coming towards him, and saith, Behold the Lamb of God that taketh away the sin of the world.