Genesis 2:24
For this reason a man will leave his father and mother and be united to his wife, and they will become one flesh.

Ephesians 5:31
“For this reason a man will leave his father and mother and be united to his wife, and the two will become one flesh.”

Matthew 19:5
and said, ‘For this reason a man will leave his father and mother and be united to his wife, and the two will become one flesh’?

1 Corinthians 6:16
Or don’t you know that he who unites himself with a prostitute is one with her in body? For it is said, “The two will become one flesh.”

1 Corinthians 7:10-11
To the married I give this command (not I, but the Lord): A wife must not separate from her husband. / But if she does, she must remain unmarried or else be reconciled to her husband. And a husband must not divorce his wife.

Malachi 2:14-16
Yet you ask, “Why?” It is because the LORD has been a witness between you and the wife of your youth, against whom you have broken faith, though she is your companion and your wife by covenant. / Has not the LORD made them one, having a portion of the Spirit? And why one? Because He seeks godly offspring. So guard yourselves in your spirit and do not break faith with the wife of your youth. / “For I hate divorce,” says the LORD, the God of Israel. “He who divorces his wife covers his garment with violence,” says the LORD of Hosts. So guard yourselves in your spirit and do not break faith.

Hebrews 13:4
Marriage should be honored by all and the marriage bed kept undefiled, for God will judge the sexually immoral and adulterers.

1 Peter 3:7
Husbands, in the same way, treat your wives with consideration as a delicate vessel, and with honor as fellow heirs of the gracious gift of life, so that your prayers will not be hindered.

Colossians 3:18-19
Wives, submit to your husbands, as is fitting in the Lord. / Husbands, love your wives and do not be harsh with them.

Proverbs 18:22
He who finds a wife finds a good thing and obtains favor from the LORD.

1 Corinthians 11:11-12
In the Lord, however, woman is not independent of man, nor is man independent of woman. / For just as woman came from man, so also man is born of woman. But everything comes from God.

1 Timothy 5:14
So I advise the younger widows to marry, have children, and manage their households, denying the adversary occasion for slander.

Deuteronomy 24:1-4
If a man marries a woman, but she becomes displeasing to him because he finds some indecency in her, he may write her a certificate of divorce, hand it to her, and send her away from his house. / If, after leaving his house, she goes and becomes another man’s wife, / and the second man hates her, writes her a certificate of divorce, hands it to her, and sends her away from his house, or if he dies, ...

Romans 7:2-3
For instance, a married woman is bound by law to her husband as long as he lives. But if her husband dies, she is released from the law of marriage. / So then, if she is joined to another man while her husband is still alive, she is called an adulteress; but if her husband dies, she is free from that law and is not an adulteress if she marries another man.

1 Corinthians 7:2-4
But because there is so much sexual immorality, each man should have his own wife, and each woman her own husband. / The husband should fulfill his marital duty to his wife, and likewise the wife to her husband. / The wife does not have authority over her own body, but the husband. Likewise the husband does not have authority over his own body, but the wife.