1 Corinthians 7:2, 28, 36, 39

But because there is so much sexual immorality, each man should have his own wife, and each woman should have her own husband.

But if you do get married, it is not a sin. And if a young woman gets married, it is not a sin. However, those who get married at this time will have troubles, and I am trying to spare you those problems.

But if a man thinks that he’s treating his fiancée improperly and will inevitably give in to his passion, let him marry her as he wishes. It is not a sin.

A wife is bound to her husband as long as he lives. If her husband dies, she is free to marry anyone she wishes, but only if he loves the Lord.