Matthew 5:32
32 oBut I say to you that everyone who divorces his wife, except on the ground of sexual immorality, makes her commit adultery, and pwhoever marries a divorced woman commits adultery.
Matthew 19:8–9
8 He said to them, “Because of your yhardness of heart Moses allowed you to divorce your wives, but from the beginning it was not so. 9 zAnd I say to you: whoever divorces his wife, except for sexual immorality, and marries another, commits adultery.”1