Mark 10:1-7 RSV

1 And he left there and went to the region of Judea and beyond the Jordan, and crowds gathered to him again; and again, as his custom was, he taught them.
2 And Pharisees came up and in order to test him asked, "Is it lawful for a man to divorce his wife?"
3 He answered them, "What did Moses command you?"
4 They said, "Moses allowed a man to write a certificate of divorce, and to put her away."
5 But Jesus said to them, "For your hardness of heart he wrote you this commandment.
6 But from the beginning of creation, 'God made them male and female.'
7 'For this reason a man shall leave his father and mother and be joined to his wife,