Romans 12:19-21 NIV

19 Do not take revenge,1 my friends, but leave room for God's wrath, for it is written: "It is mine to avenge; I will repay,"a2 says the Lord.

References for Romans 12:19

20 On the contrary: "If your enemy is hungry, feed him; if he is thirsty, give him something to drink. In doing this, you will heap burning coals on his head."b3

References for Romans 12:20

21 Do not be overcome by evil, but overcome evil with good.