The answer of Jesus:
Related Commentaries of Matthew 19:4
Matthew 19:4-6
4 And he answered and said unto them,Have ye not read, that he which made them at the beginning made them male and female,
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.