Thou shalt not commit adultery.
Leviticus 20:10And the man that committeth adultery with another man's wife, even he that committeth adultery with his neighbour's wife, the adulterer and the adulteress shall surely be put to death.
Deuteronomy 22:22If a man be found lying with a woman married to an husband, then they shall both of them die, both the man that lay with the woman, and the woman: so shalt thou put away evil from Israel.
Proverbs 6:32But whoso committeth adultery with a woman lacketh understanding: he that doeth it destroyeth his own soul.
Matthew 5:28But I say unto you, That whosoever looketh on a woman to lust after her hath committed adultery with her already in his heart.
Matthew 19:9And I say unto you, Whosoever shall put away his wife, except it be for fornication, and shall marry another, committeth adultery: and whoso marrieth her which is put away doth commit adultery.
Luke 16:18Whosoever putteth away his wife, and marrieth another, committeth adultery: and whosoever marrieth her that is put away from her husband committeth adultery.
John 8:3And the scribes and Pharisees brought unto him a woman taken in adultery; and when they had set her in the midst,
1 Corinthians 6:9Know ye not that the unrighteous shall not inherit the kingdom of God? Be not deceived: neither fornicators, nor idolaters, nor adulterers, nor effeminate, nor abusers of themselves with mankind,
Hebrews 13:4Marriage is honourable in all, and the bed undefiled: but whoremongers and adulterers God will judge.
James 4:17Therefore to him that knoweth to do good, and doeth it not, to him it is sin.
Revelation 2:22Behold, I will cast her into a bed, and them that commit adultery with her into great tribulation, except they repent of their deeds.