Matthew 19:6-8

Revised Standard Version

⁶ So they are no longer two but one flesh. What therefore God has joined together, let not man put asunder.” ⁷ They said to him, “Why then did Moses command one to give a certificate of divorce, and to put her away?” ⁸ He said to them, “For your hardness of heart Moses allowed you to divorce your wives, but from the beginning it was not so.