Matthew 1:19

1:19 Because Joseph, her husband to be, was a righteous man, and because he did not want to disgrace her, he intended to divorce her privately.

Malachi 2:16

2:16 “I hate divorce,” says the Lord God of Israel, “and the one who is guilty of violence,” says the Lord who rules over all. “Pay attention to your conscience, and do not be unfaithful.”