Original Verse:
Proverbs Chapter 25 Verse 21If thine enemy be hungry, give him bread to eat; and if he be thirsty, give him water to drink:

Reference Verses:
Exodus Chapter 23 Verse 4-5 [4] If thou meet thine enemy's ox or his ass going astray, thou shalt surely bring it back to him again. [5] If thou see the ass of him that hateth thee lying under his burden, and wouldest forbear to help him, thou shalt surely help with him.
Matthew Chapter 5 Verse 44But I say unto you, Love your enemies, bless them that curse you, do good to them that hate you, and pray for them which despitefully use you, and persecute you;
Luke Chapter 6 Verse 27But I say unto you which hear, Love your enemies, do good to them which hate you,
2nd Kings Chapter 6 Verse 22And he answered, Thou shalt not smite them: wouldest thou smite those whom thou hast taken captive with thy sword and with thy bow? set bread and water before them, that they may eat and drink, and go to their master.
2nd Chronicles Chapter 28 Verse 15And the men which were expressed by name rose up, and took the captives, and with the spoil clothed all that were naked among them, and arrayed them, and shod them, and gave them to eat and to drink, and anointed them, and carried all the feeble of them upon asses, and brought them to Jericho, the city of palm trees, to their brethren: then they returned to Samaria.
Romans Chapter 12 Verse 20Therefore 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.
Proverbs Chapter 24 Verse 17Rejoice not when thine enemy falleth, and let not thine heart be glad when he stumbleth:
Luke Chapter 10 Verse 33-36 [33] But a certain Samaritan, as he journeyed, came where he was: and when he saw him, he had compassion on him, [34] And went to him, and bound up his wounds, pouring in oil and wine, and set him on his own beast, and brought him to an inn, and took care of him. [35] And on the morrow when he departed, he took out two pence, and gave them to the host, and said unto him, Take care of him; and whatsoever thou spendest more, when I come again, I will repay thee. [36] Which now of these three, thinkest thou, was neighbour unto him that fell among the thieves?
Romans Chapter 12 Verse 21Be not overcome of evil, but overcome evil with good.