31 Therefore a man must leave his father and mother and attach himself to his wife, and they must become one.
Ephesians 5:31 Cross References - Goodspeed
Matthew 19:5
5 and said, 'For this reason a man shall leave his father and mother and be united to his wife, and the two of them shall become one'? So they are no longer two but one.
Mark 10:7-8
1 Corinthians 6:16
16 Or do you not know that a man who has to do with a prostitute makes one body with her? For "The two," says the Scripture, "shall become physically one."