Thou shalt not commit adultery. Exodus 20:14, Deuteronomy 5:18Paul opposed sex of any kind, but said that those who couldn't resist should get married "to avoid fornication."
Abstain from ... fornication. Acts 15:20
It is reported commonly that there is fornication among you. 1 Corinthians 5:1
The body is not for fornication. 1 Corinthians 6:13
Flee fornication. 1 Corinthians 6:18
Neither let us commit fornication. 1 Corinthians 10:8
And lest, when I come again, my God will humble me among you, and that I shall bewail many which have sinned already, and have not repented of the uncleanness and fornication and lasciviousness which they have committed. 2 Corinthians 12:21
Now the works of the flesh are manifest, which are these; Adultery, fornication, ... they which do such things shall not inherit the kingdom of God. Galatians 5:19-21
But fornication, ... let it not be once named among you. Ephesians 5:3
Mortify therefore your members which are upon the earth; fornication, ..., For which things' sake the wrath of God cometh on the children of disobedience. Colossians 3:5-6
Ye should abstain from fornication. 1Thessalonians 4:3
Whoremongers and adulterers God will judge. Hebrews 13:4
Even as Sodom and Gomorrha, and the cities about them in like manner, giving themselves over to fornication, and going after strange flesh, are set forth for an example, suffering the vengeance of eternal fire. Jude 7
It is good for a man not to touch a woman. Nevertheless, to avoid fornication, let every man have his own wife, and let every woman have her own husband. 1 Corinthians 7:1-2And Jesus said that whoever looked at a woman with lust had already committed adultery.
Ye have heard that it was said by them of old time, Thou shalt not commit adultery. But I say unto you, That whosoever looketh on a woman to lust after her hath committed adultery with her already in his heart. Mathew 5:27-28
And the Lord said to Hosea, Go, take unto thee a wife of whoredoms.... Hosea 1:2God commanded Moses to kill all the male Midianites. After the army did that, Moses found out that they saved all the women alive. So he told them to go back and kill all the non-virgin Midianite women, but to save the "women children" alive for themselves.
Then said the Lord unto me, God yet, love a woman beloved of her friend, yet an adulteress. Hosea 3:1
And the LORD spake unto Moses, saying, Avenge the children of Israel of the Midianites ... And they warred against the Midianites, as the LORD commanded Moses; and they slew all the males.
... Moses was wroth with the officers ... And Moses said unto them, Have ye saved all the women alive? ... Now therefore kill every male among the little ones, and kill every woman that hath known man by lying with him. But all the women children, that have not known a man by lying with him, keep alive for yourselves. Numbers 31:1-18