Matthew 19:6

⁴Let marriage be held in honor among all, and let the bed be undefiled; but God will judge the sexually immoral and adulterers.

⁹What therefore God has joined together, let no man separate.”

²For the woman that has a husband is bound by law to the husband while he lives, but if the husband dies, she is discharged from the law of the husband.

¹⁰But to the married I command—not I, but the Lord—that the wife not leave her husband ¹¹(but if she departs, let her remain unmarried, or else be reconciled to her husband), and that the husband not leave his wife.

¹²But to the rest I—not the Lord—say, if any brother has an unbelieving wife, and she is content to live with him, let him not leave her. ¹³The woman who has an unbelieving husband, and he is content to live with her, let her not leave her husband. ¹⁴For the unbelieving husband is sanctified in the wife, and the unbelieving wife is sanctified in the husband. Otherwise your children would be unclean, but now they are holy.

²⁸Even so husbands also ought to love their own wives as their own bodies. He who loves his own wife loves himself.

¹⁴Yet you say, ‘Why?’ Because the LORD has been witness between you and the wife of your youth, against whom you have dealt treacherously, though she is your companion and the wife of your covenant.

¹⁷who forsakes the friend of her youth, and forgets the covenant of her God;