Numbers 5:13
And a man lie with her carnally, and it be hid from the eyes of her husband, and be kept secret, and she be defiled, and there be no witness against her, neither was she taken in the act;
Leviticus 18:20
Moreover you shall not lie carnally with your neighbor's wife, to defile yourself with her.
Leviticus 20:10
And the man that commits adultery with another man's wife, even he that commits adultery with his neighbor's wife, the adulterer and the adulteress shall surely be put to death.
Proverbs 7:18-19
Come, let us take our fill of love until the morning: let us delight ourselves with love.
Proverbs 30:20
This is the way of an adulterous woman; she eats, and wipes her mouth, and says, I have done no wickedness.