This section is from the book "A Library Of Wonders And Curiosities Found In Nature And Art, Science And Literature", by I. Platt. Also available from Amazon: A library of wonders and curiosities.
The hell of the ancient heathens was divided into two mansions: the one called Elysium, on the right hand, pleasant and delightful, appointed for the souls of good men; the other called Tartarus, on the left, a region of misery and torment, appointed for the wicked. The latter only was hell, in the present restrained sense of the word. The philosophers were of opinion, that the infernal regions were at an equal distance from all the parts of the earth; nevertheless, it was the opinion of some, that there were certain passages which led thither, as the river Lethe near the Syrtes, and the Acherusian cave in Epirus. At Hermione, it was thought, that there was a very short way to hell; for which reason the people of that country never put the fare into the mouths of the dead to pay their passage. The Jews placed hell in the centre of the earth, and believed it to be situated under waters and mountains. According to them, there are three passages leading to it: the first is in the wilderness, and by that Korah, Dathan, and Abiram descended into hell; the second is in the sea, because Jonah, who was thrown into the sea, cried to God out of the belly of hell; the third is in Jerusalem, because it is said "the fire of the Lord is in Zion, and his furnace is in Jerusalem." They likewise acknowledged seven degrees of pain in hell, because they find this place called by seven different names in Scripture. In the Koran of Mahomet, it is said that hell has seven gates; the first for the Mussulmans, the second for the Christians, the third for the Jews, the fourth for the Sabeans, the fifth for the Magians, the sixth for the Pagans, and the seventh for hypocrites of all religions.
Among Christians, there are two controverted questions in regard to hell; the one concerning the locality, the other the duration of its torments: - The locality of hell, and the reality of its fire, began first to be controverted by Origen. That father, interpreting the scripture account metaphorically, makes hell to consist, not in external punishments, but in a consciousness or sense of guilt, and a remembrance of past pleasures. Among the moderns, Mr. Whiston advanced a new hypothesis. The comets, he thinks, are so many hells, appointed in their orbits alternately to carry the damned into the confines of the sun, there to be scorched by its violent heat, and then to return with them beyond the orb of Saturn, there to starve them in those cold and dismal regions. Another modern author, Mr Swinden, supposes the sun to be the local hell. However difficult it may be to ascertain the local place of hell, we may rest assured God will find both place and means to punish the obstinately wicked.
 
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