Leviticus 18:20

18:20 You must not have sexual intercourse with the wife of your fellow citizen to become unclean with her.

Leviticus 20:10

20:10 If a man commits adultery with his neighbor’s wife, both the adulterer and the adulteress must be put to death.

Proverbs 7:18-19

7:18 Come, let’s drink deeply of lovemaking until morning,

let’s delight ourselves with sexual intercourse.

7:19 For my husband is not at home;

he has gone on a journey of some distance.

Proverbs 30:20

30:20 This is the way of an adulterous woman:

she eats and wipes her mouth

and says, “I have not done wrong.”