Luke 16:18
Everyone who divorces his wife, and marries another, commits adultery. He who marries one who is divorced from a husband commits adultery.
Matthew 19:9
I tell you that whoever divorces his wife, except for sexual immorality, and marries another, commits adultery."
Matthew 5:31-32
"It was also said, 'Whoever shall put away his wife, let him give her a writing of divorce,'
Mark 10:11-12
He said to them, "Whoever divorces his wife, and marries another, commits adultery against her.
1 Corinthians 7:4
The wife does not have authority over her own body, but the husband. Likewise also the husband does not have authority over his own body, but the wife.
1 Corinthians 7:10-12
But to the married I command?not I, but the Lord?that the wife not leave her husband