Ephesians 5:31
For this reason a man shall leave his father and his mother and shall be joined [and be faithfully devoted] to his wife, and the two shall become
Genesis 2:24
For this reason a man shall leave his father and his mother, and shall be joined to his wife; and they shall become one flesh.
Matthew 19:5
1 Corinthians 6:16
Do you not know that the one who joins himself to a prostitute is one body with her? For He says, “The two shall be one flesh.”
Mark 10:7-8