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.

Matthew 19:6
So they are no longer two, but one flesh. Therefore what God has joined together, let man not separate.”

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.”

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.

Matthew 5:32
But I tell you that anyone who divorces his wife, except for sexual immorality, brings adultery upon her. And he who marries a divorced woman commits adultery.

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.”

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.

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, ...

Luke 16:18
Anyone who divorces his wife and marries another woman commits adultery, and he who marries a divorced woman commits adultery.

Proverbs 2:16-17
It will rescue you from the forbidden woman, from the stranger with seductive words / who abandons the partner of her youth and forgets the covenant of her God.

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.

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 Timothy 4:1-3
Now the Spirit expressly states that in later times some will abandon the faith to follow deceitful spirits and the teachings of demons, / influenced by the hypocrisy of liars, whose consciences are seared with a hot iron. / They will prohibit marriage and require abstinence from certain foods that God has created to be received with thanksgiving by those who believe and know the truth.