So they are no longer two, but one flesh. Therefore what God has joined together, let no one separate.” They said to him, “Why then did Moses command us to give a certificate of dismissal and to divorce her?” He said to them, “It was because you were so hard-hearted that Moses allowed you to divorce your wives, but from the beginning it was not so. And I say to you, whoever divorces his wife, except for unchastity, and marries another commits adultery.”