Every messenger must be a guardian, so the message is a specific position in the guardianship, and the message is among the angels in this world and the afterlife, because they are ambassadors of truth to some of them and their class and to other human beings in this world and the hereafter, and the message in humans is only in this world and its rule is cut off in the hereafter, and likewise it is cut off in the hereafter after entering. Heaven and Hell are prophecy of legislation, not general prophecy