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
1 Corinthians 7:15
15 But if the unbelieving partner separates, let it be so. In such cases the brother or sister is not enslaved. God has called you1 jto peace.
Matthew 19:6
6 So they are no longer two but one flesh. wWhat therefore God has joined together, let not man separate.”