MKJV(i)
19 not avenging yourselves, beloved, but giving place to wrath; for it is written, "Vengeance is Mine, I will repay, says the Lord."
20 Therefore if your enemy hungers, feed him. If he thirsts, give him drink. For in so doing you shall heap coals of fire on his head.
21 Do not be overcome by evil, but overcome evil with good.