Isharat al-I'jaz | Verses 23-24 | 204
(202-204)

It says in a Hadith: "Hell is folded up." This possibly means that Hell is an egg of the bird of our flying earth, and when the veil of the Manifest World is rent, [the earth] will lay its egg and [Hell] will emerge, baring its teeth at the people of rebellion. It is also possible that it was this [question of Hell] being 'folded up' that caused the Mu'tazilites to fall into the error [of believing] that Hell is not now existent, and to cling onto it.

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