Cross reference
Ephesians 5:31
31 For this cause shall a man leave his father and mother, and shall cleave to his wife; and the two shall become one flesh.
Genesis 2:24
24 Therefore shall a man leave his father and his mother, and shall cleave unto his wife: and they shall be one flesh.
Matthew 19:5
5 and said, For this cause shall a man leave his father and mother, and shall cleave to his wife; and the two shall become one flesh?
Mark 10:7-8
7 For this cause shall a man leave his father and mother, and shall cleave to his wife;
8 and the two shall become one flesh: so that they are no more two, but one flesh.
1 Corinthians 6:16
16 Or know ye not that he that is joined to a harlot is one body? for, The twain, saith he, shall become one flesh.
