Matthew 5:28
But I say unto you, That whosoever looketh upon a woman to lust after her, hath already committed adultery with her in his heart.
1 Corinthians 6:9-11
Know ye not, that the unjust shall not inherit the kingdom of God? Be not deceived. Neither fornicators, nor idolaters, nor adulterers, nor the effeminate,
1 Corinthians 10:20
But that what the heathens sacrifice, they sacrifice to devils, and not to God. Now I would not that ye should be partakers with devils.
Galatians 5:19-21
Now the works of the flesh are manifest, which are these, adultery, fornication,
Hebrews 13:4
Marriage is honourable in all men, and the bed undefiled: but whoremongers and adulterers God will judge.