Romans 12:20

To the contrary, "if your enemy is hungry, feed him; if he is thirsty, give him something to drink; for by so doing you will heap burning coals on his head."

Proverbs 25:21-22

If your enemy is hungry, give him bread to eat, and if he is thirsty, give him water to drink,

Matthew 5:44

But I say to you, Love your enemies and pray for those who persecute you,

Luke 6:27

"But I say to you who hear, Love your enemies, do good to those who hate you,

Exodus 23:4-5

"If you meet your enemy's ox or his donkey going astray, you shall bring it back to him

1 Samuel 24:16-19

As soon as David had finished speaking these words to Saul, Saul said, "Is this your voice, my son David?" And Saul lifted up his voice and wept.

1 Samuel 26:21

Then Saul said, "I have sinned. Return, my son David, for I will no more do you harm, because my life was precious in your eyes this day. Behold, I have acted foolishly, and have made a great mistake."

2 Kings 6:22

He answered, "You shall not strike them down. Would you strike down those whom you have taken captive with your sword and with your bow? Set bread and water before them, that they may eat and drink and go to their master."

Psalm 120:4

A warrior's sharp arrows, with glowing coals of the broom tree!

Psalm 140:10

Let burning coals fall upon them! Let them be cast into fire, into miry pits, no more to rise!

Song of Songs 8:6-7

Set me as a seal upon your heart, as a seal upon your arm, for love is strong as death, jealousy is fierce as the grave. Its flashes are flashes of fire, the very flame of the LORD.

Treasury of Scripture Knowledge

Summary

Therefore if thine enemy hunger, feed him; if he thirst, give him drink: for in so doing thou shalt heap coals of fire on his head.

Bible References

If thine

Exodus 23:4
"If you meet your enemy's ox or his donkey going astray, you shall bring it back to him
1 Samuel 24:16
As soon as David had finished speaking these words to Saul, Saul said, "Is this your voice, my son David?" And Saul lifted up his voice and wept.
1 Samuel 26:21
Then Saul said, "I have sinned. Return, my son David, for I will no more do you harm, because my life was precious in your eyes this day. Behold, I have acted foolishly, and have made a great mistake."
Proverbs 25:21
If your enemy is hungry, give him bread to eat, and if he is thirsty, give him water to drink,
Matthew 5:44
But I say to you, Love your enemies and pray for those who persecute you,

Coals

Psalm 120:4
A warrior's sharp arrows, with glowing coals of the broom tree!
Psalm 140:10
Let burning coals fall upon them! Let them be cast into fire, into miry pits, no more to rise!
Song of Songs 8:6
Set me as a seal upon your heart, as a seal upon your arm, for love is strong as death, jealousy is fierce as the grave. Its flashes are flashes of fire, the very flame of the LORD.

General references

Exodus 23:4
"If you meet your enemy's ox or his donkey going astray, you shall bring it back to him
Proverbs 3:30
Do not contend with a man for no reason, when he has done you no harm.
Proverbs 25:21
If your enemy is hungry, give him bread to eat, and if he is thirsty, give him water to drink,
Matthew 5:42
Give to the one who begs from you, and do not refuse the one who would borrow from you.

The Holy Bible, English Standard Version® copyright © 2001 by Crossway Bibles, a publishing ministry of Good News Publishers.