Mark 10:11
And he said to them, "Whoever divorces his wife and marries another commits adultery against her.
Luke 16:18
"Everyone who divorces his wife and marries another commits adultery, and the one who marries a woman divorced from [her] husband commits adultery.
Matthew 5:31-32
"And it was said, 'Whoever divorces his wife must give her a certificate of divorce.'
Matthew 19:9
Now I say to you that whoever divorces his wife, except on the basis of sexual immorality, and marries another commits adultery, and whoever marries her who is divorced commits adultery."
Romans 7:3
Therefore as a result, if she belongs to another man [while] her husband is living, she will be called an adulteress. But if her husband dies, she is free from the law, so that she is not an adulteress [if she] belongs to another man.
1 Corinthians 7:4
The wife does not have authority over her own body, but her husband [does]. And likewise also the husband does not have authority over his own body, but his wife [does].
1 Corinthians 7:10-11
To the married I command--not I, but the Lord--a wife must not separate from [her] husband.
Hebrews 13:4
Marriage [must be] held in honor by all, and the marriage bed [be] undefiled, because God will judge sexually immoral people and adulterers.