of two things: first, the truthfulness of the Messenger; and second, the coming of the Hour and the possibility that the celestial sphere itself could split apart. Those who deny the Greater Resurrection—the rising of people from their graves before the Lord of all worlds—and the rending and sunder­ing of the heavens, whether they admit the Lesser Resurrection and maintain that souls taste bliss or torment after death, as the godless philosophers claim, or whether they reject any return whatsoever, as did certain Arab idolaters, naturalist philosophers, and others—such people also deny that the heavens can be split.