Matthew 5:32
But I tell you that anyone who divorces his wife, except for sexual immorality, brings adultery upon her. And whoever marries a divorced woman commits adultery.

Matthew 19:9
Now I tell you that whoever divorces his wife, except for sexual immorality, and marries another woman, commits adultery."

Mark 10:11, 12
So He told them, "Whoever divorces his wife and marries another woman commits adultery against her. . . .

1 Corinthians 7:4, 10-12
The wife does not have authority over her own body, but the husband. Likewise the husband does not have authority over his own body, but the wife. . . .