Yet you say, ‘For what reason?’ Because the Lord has been a witness between you and the wife of your youth, against whom you have dealt treacherously, though she is your companion and your wife by covenant.

Some Pharisees came to Jesus, testing Him and asking, “Is it lawful for a man to divorce his wife for any reason at all?”

But from the beginning of creation, God made them male and female.

For the married woman is bound by law to her husband while he is living; but if her husband dies, she is released from the law concerning the husband.

Or do you not know that the one who joins himself to a prostitute is one body with her? For He says, “The two shall become one flesh.”

But because of immoralities, each man is to have his own wife, and each woman is to have her own husband.

So husbands ought also to love their own wives as their own bodies. He who loves his own wife loves himself;

Therefore, I want younger widows to get married, bear children, keep house, and give the enemy no occasion for reproach;

In the same way, you wives, be submissive to your own husbands so that even if any of them are disobedient to the word, they may be won without a word by the behavior of their wives,

General references

For this reason a man shall leave his father and mother

For this reason a man shall leave his father and mother and shall be joined to his wife, and the two shall become one flesh.