Exodus 20:13
13 Thou shalt not kill.
Deuteronomy 18:9-13 - When thou art come into the land which the LORD thy God giveth thee, thou shalt not learn to do after the abominations of those nations.
Deuteronomy 32:35 - To me [belongeth] vengeance, and recompence; their foot shall slide in [due] time: for the day of their calamity [is] at hand, and the things that shall come upon them make haste.
Matthew 25:40 - And the King shall answer and say unto them, Verily I say unto you, Inasmuch as ye have done [it] unto one of the least of these my brethren, ye have done [it] unto me.
Luke 17:2 - It were better for him that a millstone were hanged about his neck, and he cast into the sea, than that he should offend one of these little ones.
Romans 12:19 - Dearly beloved, avenge not yourselves, but [rather] give place unto wrath: for it is written, Vengeance [is] mine; I will repay, saith the Lord.