Romans 12:19-20

Beloved, never avenge yourselves, but leave the way open for God’s wrath [and His judicial righteousness]; for it is written [in Scripture], “VENGEANCE IS MINE, I WILL REPAY,” says the Lord. [Deut 32:35] “BUT IF YOUR ENEMY IS HUNGRY, FEED HIM; IF HE IS THIRSTY, GIVE HIM A DRINK; FOR BY DOING THIS YOU WILL HEAP BURNING COALS ON HIS HEAD.” [Prov 25:21, 22]