1 Chronicles 21:8

And David said to God, I have sinned greatly, in that I have done this thing; and now, I beseech thee, put away the iniquity of thy servant; for I have done very foolishly.

2 Samuel 12:13

And David said to Nathan, I have sinned against Jehovah. And Nathan said to David, Jehovah has also put away thy sin: thou shalt not die.

Genesis 34:7

And the sons of Jacob came from the fields when they heard it; and the men were grieved, and they were very angry, because he had wrought what was disgraceful in Israel, in lying with Jacob's daughter, which thing ought not to be done.

1 Samuel 13:13

And Samuel said to Saul, Thou hast done foolishly: thou hast not kept the commandment of Jehovah thy God which he commanded thee; for now would Jehovah have established thy kingdom over Israel for ever.

1 Samuel 26:21

And Saul said, I have sinned: return, my son David; for I will no more do thee harm, because my life was precious in thine eyes this day: behold, I have acted foolishly, and have erred exceedingly.

2 Samuel 13:13

And I, whither shall I carry my reproach? and thou wouldest be as one of the infamous in Israel. And now, I pray thee, speak to the king; for he will not withhold me from thee.

2 Samuel 24:10

And David's heart smote him after he had numbered the people. And David said to Jehovah, I have sinned greatly in what I have done; and now, I beseech thee, Jehovah, put away the iniquity of thy servant; for I have done very foolishly.

2 Chronicles 10:9

And he said to them, What advice give ye that we may return answer to this people, who have spoken to me saying, Lighten the yoke which thy father put upon us?

Psalm 25:11

For thy name's sake, O Jehovah, thou wilt indeed pardon mine iniquity; for it is great.

Psalm 32:5

I acknowledged my sin unto thee, and mine iniquity I covered not; I said, I will confess my transgressions unto Jehovah, and thou forgavest the iniquity of my sin. Selah.

Psalm 51:1-3

{To the chief Musician. A Psalm of David; when Nathan the prophet came to him, after he had gone in to Bath-sheba.} Be gracious unto me, O God, according to thy loving-kindness; according to the abundance of thy tender mercies, blot out my transgressions.

Jeremiah 3:13

Only acknowledge thine iniquity, that thou hast transgressed against Jehovah thy God, and hast turned thy ways hither and thither to the strangers under every green tree; and ye have not hearkened to my voice, saith Jehovah.

Hosea 14:2

Take with you words, and turn to Jehovah; say unto him, Forgive all iniquity, and receive us graciously; so will we render the calves of our lips.

Luke 15:18-19

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

John 1:29

On the morrow he sees Jesus coming to him, and says, Behold the Lamb of God, who takes away the sin of the world.

1 John 1:9

If we confess our sins, he is faithful and righteous to forgive us our sins, and 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.

Bible References

I have sinned

2 Samuel 12:13
And David said to Nathan, I have sinned against Jehovah. And Nathan said to David, Jehovah has also put away thy sin: thou shalt not die.
2 Samuel 24:10
And David's heart smote him after he had numbered the people. And David said to Jehovah, I have sinned greatly in what I have done; and now, I beseech thee, Jehovah, put away the iniquity of thy servant; for I have done very foolishly.
Psalm 25:11
For thy name's sake, O Jehovah, thou wilt indeed pardon mine iniquity; for it is great.
Psalm 32:5
I acknowledged my sin unto thee, and mine iniquity I covered not; I said, I will confess my transgressions unto Jehovah, and thou forgavest the iniquity of my sin. Selah.
Jeremiah 3:13
Only acknowledge thine iniquity, that thou hast transgressed against Jehovah thy God, and hast turned thy ways hither and thither to the strangers under every green tree; and ye have not hearkened to my voice, saith Jehovah.
Luke 15:18
I will rise up and go to my father, and I 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 righteous to forgive us our sins, and cleanse us from all unrighteousness.

Do away

Psalm 51:1
{To the chief Musician. A Psalm of David; when Nathan the prophet came to him, after he had gone in to Bath-sheba.} Be gracious unto me, O God, according to thy loving-kindness; according to the abundance of thy tender mercies, blot out my transgressions.
Hosea 14:2
Take with you words, and turn to Jehovah; say unto him, Forgive all iniquity, and receive us graciously; so will we render the calves of our lips.
John 1:29
On the morrow he sees Jesus coming to him, and says, Behold the Lamb of God, who takes away the sin of the world.

I have done

Genesis 34:7
And the sons of Jacob came from the fields when they heard it; and the men were grieved, and they were very angry, because he had wrought what was disgraceful in Israel, in lying with Jacob's daughter, which thing ought not to be done.
1 Samuel 13:13
And Samuel said to Saul, Thou hast done foolishly: thou hast not kept the commandment of Jehovah thy God which he commanded thee; for now would Jehovah have established thy kingdom over Israel for ever.
1 Samuel 26:21
And Saul said, I have sinned: return, my son David; for I will no more do thee harm, because my life was precious in thine eyes this day: behold, I have acted foolishly, and have erred exceedingly.
2 Samuel 13:13
And I, whither shall I carry my reproach? and thou wouldest be as one of the infamous in Israel. And now, I pray thee, speak to the king; for he will not withhold me from thee.
2 Chronicles 10:9
And he said to them, What advice give ye that we may return answer to this people, who have spoken to me saying, Lighten the yoke which thy father put upon us?