Mark 10:4 YLT

²  And the Pharisees, having come near, questioned him, if it is lawful for a husband to put away a wife, tempting him,

³  and he answering said to them, 'What did Moses command you?'

⁴  and they said, 'Moses suffered to write a bill of divorce, and to put away.'

⁵  And Jesus answering said to them, 'For the stiffness of your heart he wrote you this command,

⁶  but from the beginning of the creation, a male and a female God did make them;