Marriage [is] honourable in all, and the bed undefiled: but whoremongers and adulterers God will judge.
Ephesians 5:3
But fornication, and all uncleanness, or covetousness, let it not be once named among you, as becometh saints;
Leviticus 20:13
If a man also lie with mankind, as he lieth with a woman, both of them have committed an abomination: they shall surely be put to death; their blood [shall be] upon them.