20 But that we write unto them, that they abstain from pollutions of idols, and from fornication, and from things strangled, and from blood.
13 Meats for the belly, and the belly for meats: but God shall destroy both it and them. Now the body is not for fornication, but for the Lord; and the Lord for the body.
… 
18 Flee fornication. Every sin that a man doeth is without the body; but he that committeth fornication sinneth against his own body.
For this is the will of God, even your sanctification, that ye should abstain from fornication:
21 And I gave her space to repent of her fornication; and she repented not.
21 Neither repented they of their murders, nor of their sorceries, nor of their fornication, nor of their thefts.
And there followed another angel, saying, Babylon is fallen, is fallen, that great city, because she made all nations drink of the wine of the wrath of her fornication.
With whom the kings of the earth have committed fornication, and the inhabitants of the earth have been made drunk with the wine of her fornication.
For all nations have drunk of the wine of the wrath of her fornication, and the kings of the earth have committed fornication with her, and the merchants of the earth are waxed rich through the abundance of her delicacies.
For true and righteous are his judgments: for he hath judged the great whore, which did corrupt the earth with her fornication, and hath avenged the blood of his servants at her hand.