ravage the Earth, as it is described in the Quran: Until, when Gog and Magog are let loose [from their barrier], and they swiftly swarm from every mound. And the true promise [Day of Resurrection] shall draw near [of fulfilment]. Then [when mankind is resurrected from their graves], you shall see the eyes of the disbelievers fixedly stare in horror. [They will say,] ‘Woe to us! We were indeed heedless of this; nay, but we were wrongdoers.’ (Quran 21:96–97. Note that the phrases in square brackets are not in the Arabic original.) Gog and Magog in Christian legends In the Syriac Christian legends, Alexander the Great encloses the Gog and Magog horde behind a mighty gate between two mountains, preventing Gog and Magog from invading the Earth. In addition, it is written in the Christian legend that in the end times God will cause the Gate of Gog and Magog to be destroyed, allowing the Gog and Magog horde to ravage the Earth; The Lord spake by the hand of the angel, [saying] ...The gate of the north shall be opened on the day of the end of the world, and on that day shall evil go forth on the wicked ... The earth shall quake and this door [gate] which thou [Alexander] hast made be opened ... and anger with fierce wrath shall rise up on mankind and the earth ... shall be laid waste ... And the nations that is within this gate shall be roused up, and also the host of Agog and the peoples of Magog [Gog and Magog] shall be gathered together. These peoples, the fiercest of all creatures. The Christian Syriac legend describes a flat Earth orbited by the sun and surrounded by the Paropamisadae (Hindu Kush) mountains. The Paropamisadae mountains are in turn surrounded by a narrow tract of land which is followed by a treacherous Ocean sea called Okeyanos. It is within this tract of land between the Paropamisadae mountains and Okeyanos that Alexander encloses Gog and Magog, so that they could not cross the mountains and invade the Earth. The legend describes "the old wise men" explaining this geography and cosmology of the Earth to Alexander, and then Alexander setting out to enclose Gog and Magog behind a mighty gate between a narrow passage at the end of the flat Earth: The old men say, "Look, my lord the king, and