Mark 10:11
So he told them, "Whoever divorces his wife and marries another commits adultery against her.
Luke 16:18
"Everyone who divorces his wife and marries someone else commits adultery, and the one who marries a woman divorced from her husband commits adultery.
Matthew 5:31-32
"It was said, 'Whoever divorces his wife must give her a legal document.'
Matthew 19:9
Now I say to you that whoever divorces his wife, except for immorality, and marries another commits adultery."
Romans 7:3
So then, if she is joined to another man while her husband is alive, she will be called an adulteress. But if her husband dies, she is free from that law, and if she is joined to another man, she is not an adulteress.
1 Corinthians 7:4
It is not the wife who has the rights to her own body, but the husband. In the same way, it is not the husband who has the rights to his own body, but the wife.
1 Corinthians 7:10-11
To the married I give this command -- not I, but the Lord -- a wife should not divorce a husband
Hebrews 13:4
Marriage must be honored among all and the marriage bed kept undefiled, for God will judge sexually immoral people and adulterers.