Genesis 39:11
And it came to pass about this time, that Joseph went into the house to do his business, and none of those of the house were there within.
Job 24:15
The eye of the adulterer waits for the twilight, saying, No eye shall see me; and disguises his face.
Proverbs 9:17
Stolen waters are sweet, and bread eaten in secret is pleasant.
Jeremiah 23:24
Can any hide himself in hiding places that I shall not see him? said the LORD. Do I not fill heaven and earth? said the LORD.
Malachi 3:5
And I will come near unto you for judgment; and I will be a swift witness against the sorcerers and against the adulterers and against false swearers and against those that oppress the hireling in his wages, the widow, and the fatherless, and that turn aside the stranger from his right, and do not fear me, said the LORD of the hosts.
Ephesians 5:3
But fornication and all uncleanness or covetousness, let it not be once named among you as becomes saints,
Ephesians 5:12
For it is a shame even to speak of those things which they do in secret.