of which, a handful of fanatical Arabs, inspired by the prophet Mohammed, carried, with fire and sword, the faith of Islam over the world, until, within two hundred years of the date of the prophet's birth, it reigned from the shores of the Atlantic to the banks of the Indus. Horde after horde of impetuous warriors of the Crescent had arisen. Their purpose, frankly, was to convert the world, and convert it by force. Cutting themselves off from their bases of supply, and relying upon an alliance of miracle and rapine to sustain them, their triumphant campaigns were one continuous and colossal Sherman's march to the sea.
They struck Europe at the east, and also by way of the west. Greek fire checked them at the gates of Constantinople in the east, but they overran all northern Africa, crossed the Straits of Gibraltar, and flowed like a torrent over Spain and southern France. By the year 731, as Gibbon
