Matthew 25:42

25:42 For I was hungry and you gave me nothing to eat, I was thirsty and you gave me nothing to drink.

Proverbs 25:21

25:21 If your enemy is hungry, give him food to eat,

and if he is thirsty, give him water to drink,

Romans 12:20

12:20 Rather, if your enemy is hungry, feed him; if he is thirsty, give him a drink; for in doing this you will be heaping burning coals on his head. ¹ 

[12:20]  ¹ sn A quotation from Prov 25:21-22.