He said to them: "Although Moses permitted you to separate from your wives, due to the hardness of your heart, it was not that way from the beginning
Other versions
King James Version
He saith unto them, Moses because of the hardness of your hearts suffered you to put away your wives: but from the beginning it was not so.English Standard Version
He said to them, "Because of your hardness of heart Moses allowed you to divorce your wives, but from the beginning it was not so.New International Version
Jesus replied, "Moses permitted you to divorce your wives because your hearts were hard. But it was not this way from the beginning.