1 Chronicles 21:8

Then David said to God, "I have sinned severely [in] that I have done this thing. But now, please forgive the sin of your servant, for I have been very foolish."

2 Samuel 12:13

Then David said to Nathan, "I have sinned against Yahweh!" Nathan said to David, "Yahweh has also forgiven your sin; you shall not die.

Genesis 34:7

And the sons of Jacob came in from the field when they heard [it]. And the men were distressed and very angry because he had done a disgraceful thing in Israel by having sexual relations with the daughter of Jacob--{something that} should not be done.

1 Samuel 13:13

Then Samuel said to Saul, "You have behaved foolishly! You have not kept the command of Yahweh your God which he commanded you. For then, Yahweh would have established your kingdom over Israel forever.

1 Samuel 26:21

Then Saul said, "I have sinned! Come back, David my son, for I will not harm you again, because my life [was] precious in your eyes this day. Look, I have acted like a fool and {have made a terrible mistake}."

2 Samuel 13:13

As for me, where should I take my disgrace? You will be as one of the fools in Israel. So please, speak to the king, for he will not withhold me from you."

2 Samuel 24:10

The heart of David struck him after he had counted the people, and David said to Yahweh, "I have sinned greatly in what I have done! So then, O Yahweh, please forgive the guilt of your servant because I have acted very foolishly."

2 Chronicles 10:9

And he said to them, "What do you advise that we should say in return to this people, who said to me, 'Lighten the yoke that your father has put upon us'?"

Psalm 25:11

Also, for the sake of your name, O Yahweh, forgive my sin, because it [is] great.

Psalm 32:5

I made known my sin to you, and my iniquity I did not cover. I said, "I will confess concerning my transgressions to Yahweh," and you took away the guilt of my sin. Selah

Psalm 51:1-3

Be gracious to me, O God, according to your loyal love. According to your abundant mercies, blot out my transgressions.

Jeremiah 3:13

Only acknowledge your guilt, that against Yahweh your God you have rebelled, and have scattered your ways to the strangers under every leafy tree, and you have not obeyed my voice,' {declares} Yahweh."

Hosea 14:2

Take words with you, and return to Yahweh. Say to him, "Take away all guilt; accept good, and we will offer the fruit of our lips.

Luke 15:18-19

I will set out [and] go to my father and will say to him, 'Father, I have sinned against heaven and {in your sight}!

John 1:29

On the next day he saw Jesus coming to him and said, "Look! 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 just, so that he will forgive us [our] sins and will 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
Then David said to Nathan, "I have sinned against Yahweh!" Nathan said to David, "Yahweh has also forgiven your sin; you shall not die.
2 Samuel 24:10
The heart of David struck him after he had counted the people, and David said to Yahweh, "I have sinned greatly in what I have done! So then, O Yahweh, please forgive the guilt of your servant because I have acted very foolishly."
Psalm 25:11
Also, for the sake of your name, O Yahweh, forgive my sin, because it [is] great.
Psalm 32:5
I made known my sin to you, and my iniquity I did not cover. I said, "I will confess concerning my transgressions to Yahweh," and you took away the guilt of my sin. Selah
Jeremiah 3:13
Only acknowledge your guilt, that against Yahweh your God you have rebelled, and have scattered your ways to the strangers under every leafy tree, and you have not obeyed my voice,' {declares} Yahweh."
Luke 15:18
I will set out [and] go to my father and will say to him, 'Father, I have sinned against heaven and {in your sight}!
1 John 1:9
If we confess our sins, he is faithful and just, so that he will forgive us [our] sins and will cleanse us from all unrighteousness.

Do away

Psalm 51:1
Be gracious to me, O God, according to your loyal love. According to your abundant mercies, blot out my transgressions.
Hosea 14:2
Take words with you, and return to Yahweh. Say to him, "Take away all guilt; accept good, and we will offer the fruit of our lips.
John 1:29
On the next day he saw Jesus coming to him and said, "Look! The Lamb of God who takes away the sin of the world!

I have done

Genesis 34:7
And the sons of Jacob came in from the field when they heard [it]. And the men were distressed and very angry because he had done a disgraceful thing in Israel by having sexual relations with the daughter of Jacob--{something that} should not be done.
1 Samuel 13:13
Then Samuel said to Saul, "You have behaved foolishly! You have not kept the command of Yahweh your God which he commanded you. For then, Yahweh would have established your kingdom over Israel forever.
1 Samuel 26:21
Then Saul said, "I have sinned! Come back, David my son, for I will not harm you again, because my life [was] precious in your eyes this day. Look, I have acted like a fool and {have made a terrible mistake}."
2 Samuel 13:13
As for me, where should I take my disgrace? You will be as one of the fools in Israel. So please, speak to the king, for he will not withhold me from you."
2 Chronicles 10:9
And he said to them, "What do you advise that we should say in return to this people, who said to me, 'Lighten the yoke that your father has put upon us'?"