vengeance against the Sultan and vizier. At this juncture he encountered several Ismailis, one of whom, a Dai named Mumin, finally converted him to the principles of his sect, and Hasan, declaring himself now to be a convinced adherent of the Fatimite Khalifas, journed to Cairo, where he was received with honour by the Dar ul Hikmat and also by the Khalifa Mustansir, to whom he became counsellor. But his intrigues once more involving him in disgrace, he fled to Aleppo and laid the foundations of his new sect. After enlisting proselytes in Bagdad, Ispahan, Khusistan, and Damaghan, he succeeded in obtaining by strategy the fortress of Alamut in Persia on the Caspian Sea, where he completed the plans for his great secret society which was to become for ever infamous under the name of the Hashishiyīn, or Assassins.
Under the pretence of belief in the doctrines of Islam and also of adherence to the Ismaili line of succession from the Prophet, Hasan Saba now set out to pave his way to power, and in order to achieve this end adopted the same method as Abdullah ibn Maymūn. But the terrible efficiency of Hasan's society consisted in the fact that a system of physical force was now organized in a manner undreamt of by his predecessor. As von Hammer has observed in an admirable passage:
Opinions are powerless, so long as they only confuse the brain, without arming the hand. Scepticism and free-thinking, as long as they occupied only the minds of the indolent and philosophical, have caused the ruin of no throne, for which purpose religious and political fanaticism are the strongest levers in the hands of nations. It is nothing to the ambitious man what people believe, but it is everything to know how he may turn them for the execution of his projects.<sup></sup>
Thus, as in the case of the French Revolution, "whose first movers," von Hammer also observes, "were the tools or leaders of secret societies," it was not mere theory but