Cross reference
Mark 10:7
7 For this cause shall a man leave his father and mother, and cleave to his wife;
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.
Ephesians 5:31
31 For this cause shall a man leave his father and mother, and shall be joined unto his wife, and they two shall be one flesh.
Matthew 19:5-6
5 And said, For this cause shall a man leave father and mother, and shall cleave to his wife: and they twain shall be one flesh?
6 Wherefore they are no more twain, but one flesh. What therefore God hath joined together, let not man put asunder.