2 Samuel 24:10

And David's heart condemned him after he had numbered the people. And David said unto the LORD, I have sinned greatly in what I have done: and now, I beseech you, O LORD, take away the iniquity of your servant; for I have done very foolishly.

2 Samuel 12:13

And David said unto Nathan, I have sinned against the LORD. And Nathan said unto David, The LORD also has put away your sin; you shall not die.

1 Samuel 13:13

And Samuel said to Saul, You have done foolishly: you have not kept the commandment of the LORD your God, which he commanded you: for now would the LORD have established your kingdom upon Israel forever.

1 Samuel 24:5

And it came to pass afterward, that David's heart troubled him, because he had cut off Saul's robe.

2 Chronicles 16:9

For the eyes of the LORD run to and fro throughout the whole earth, to show himself strong in the behalf of them whose heart is perfect toward him. In this you have done foolishly: therefore from now on you shall have wars.

Deuteronomy 32:6

Do you thus repay the LORD, O foolish people and unwise? is not he your father that has bought you? has he not made you, and established you?

1 Samuel 26:21

Then said Saul, I have sinned: return, my son David: for I will no more do you harm, because my soul was precious in your eyes this day: behold, I have played the fool, and have erred exceedingly.

1 Chronicles 21:8

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

2 Chronicles 32:26

Then Hezekiah humbled himself for the pride of his heart, both he and the inhabitants of Jerusalem, so that the wrath of the LORD came not upon them in the days of Hezekiah.

Job 7:21

And why do you not pardon my transgression, and take away my iniquity? for now shall I sleep in the dust; and you shall seek me in the morning, but I shall not be.

Job 33:27-28

He looks upon men, and if any say, I have sinned, and perverted that which was right, and it profited me not;

Psalm 32:5

I acknowledged my sin unto you, and my iniquity have I not hid. I said, I will confess my transgressions unto the LORD; and you forgave the iniquity of my sin. Selah.

Proverbs 28:13

He that covers his sins shall not prosper: but whosoever confesses and forsakes them shall have mercy.

Hosea 14:2

Take with you words, and turn to the LORD: say unto him, Take away all iniquity, and receive us graciously: so will we offer the sacrifices of our lips.

Micah 7:8-9

Rejoice not against me, O my enemy: when I fall, I shall arise; when I sit in darkness, the LORD shall be a light unto me.

Mark 7:22

Thefts, covetousness, wickedness, deceit, licentiousness, an evil eye, blasphemy, pride, foolishness:

John 1:29

The next day John saw Jesus coming unto him, and said, Behold the Lamb of God, who takes away the sin of the world.

John 8:9

And they who heard it, being convicted by their own conscience, went out one by one, beginning at the eldest, even unto the last: and Jesus was left alone, and the woman standing before him.

Titus 3:3

For we ourselves also were once foolish, disobedient, deceived, serving various lusts and pleasures, living in malice and envy, hateful, and hating one another.

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.

1 John 3:20-21

For if our heart condemns us, God is greater than our heart, and knows all things.

Treasury of Scripture Knowledge

Summary

And David's heart smote him after that he had numbered the people. And David said unto the LORD, I have sinned greatly in that I have done: and now, I beseech thee, O LORD, take away the iniquity of thy servant; for I have done very foolishly.

Bible References

David's heart

1 Samuel 24:5
And it came to pass afterward, that David's heart troubled him, because he had cut off Saul's robe.
John 8:9
And they who heard it, being convicted by their own conscience, went out one by one, beginning at the eldest, even unto the last: and Jesus was left alone, and the woman standing before him.
1 John 3:20
For if our heart condemns us, God is greater than our heart, and knows all things.

I have sinned

2 Samuel 12:13
And David said unto Nathan, I have sinned against the LORD. And Nathan said unto David, The LORD also has put away your sin; you shall not die.
1 Chronicles 21:8
And David said unto God, I have sinned greatly, because I have done this thing: but now, I beseech you, take away the iniquity of your servant; for I have done very foolishly.
2 Chronicles 32:26
Then Hezekiah humbled himself for the pride of his heart, both he and the inhabitants of Jerusalem, so that the wrath of the LORD came not upon them in the days of Hezekiah.
Job 33:27
He looks upon men, and if any say, I have sinned, and perverted that which was right, and it profited me not;
Psalm 32:5
I acknowledged my sin unto you, and my iniquity have I not hid. I said, I will confess my transgressions unto the LORD; and you forgave the iniquity of my sin. Selah.
Proverbs 28:13
He that covers his sins shall not prosper: but whosoever confesses and forsakes them shall have mercy.
Micah 7:8
Rejoice not against me, O my enemy: when I fall, I shall arise; when I sit in darkness, the LORD shall be a light unto me.
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.

Take away

Job 7:21
And why do you not pardon my transgression, and take away my iniquity? for now shall I sleep in the dust; and you shall seek me in the morning, but I shall not be.
Hosea 14:2
Take with you words, and turn to the LORD: say unto him, Take away all iniquity, and receive us graciously: so will we offer the sacrifices of our lips.
John 1:29
The next day John saw Jesus coming unto him, and said, Behold the Lamb of God, who takes away the sin of the world.

Foolishly

2 Samuel 12:13
And David said unto Nathan, I have sinned against the LORD. And Nathan said unto David, The LORD also has put away your sin; you shall not die.
Deuteronomy 32:6
Do you thus repay the LORD, O foolish people and unwise? is not he your father that has bought you? has he not made you, and established you?
1 Samuel 13:13
And Samuel said to Saul, You have done foolishly: you have not kept the commandment of the LORD your God, which he commanded you: for now would the LORD have established your kingdom upon Israel forever.
1 Samuel 26:21
Then said Saul, I have sinned: return, my son David: for I will no more do you harm, because my soul was precious in your eyes this day: behold, I have played the fool, and have erred exceedingly.
2 Chronicles 16:9
For the eyes of the LORD run to and fro throughout the whole earth, to show himself strong in the behalf of them whose heart is perfect toward him. In this you have done foolishly: therefore from now on you shall have wars.
Mark 7:22
Thefts, covetousness, wickedness, deceit, licentiousness, an evil eye, blasphemy, pride, foolishness:
Titus 3:3
For we ourselves also were once foolish, disobedient, deceived, serving various lusts and pleasures, living in malice and envy, hateful, and hating one another.