Genesis 39:11
And it happened about this time that he came into the house to do his work. And none of the men of the house were inside.
Job 24:15
And the eye of the adulterer waits for the twilight, saying, No eye will see me; and he puts a covering on his face.
Proverbs 9:17
Stolen waters are sweet, and bread eaten in secret is pleasant.
Jeremiah 23:24
Can anyone hide himself in secret places so that I shall not see him? says Jehovah. Do I not fill the heavens and earth? says Jehovah.
Malachi 3:5
And I will come near you to judgment. And I will be a swift witness against the sorcerers, and against the adulterers, and against false swearers, and against those who extort from the hired laborer's wages, and turning away the widow, and the orphan, the alien, and not fearing Me, says Jehovah of Hosts.
Ephesians 5:3
For let fornication and all uncleanness or covetousness not be once named among you, as becomes saints,
Ephesians 5:12
For it is a shame even to speak of those things which are done by them in secret.