The Arabs had little political aptitude and no political experience, and this great empire with its capital now at Damascus, which stretched from Spain to China, was destined to break up very speedily. From the very beginning doctrinal differences undermined its unity. But our interest here lies not with the story of its political disintegration but with its effect upon the human mind and upon the general destinies of our race. The Arab intelligence had been flung across the world even more swiftly and dramatically than had the Greek a thousand years before. The