Lecture X

And we see how there emerges within this spiritual culture, of which Haroun al Raschid was the soul, something that had been spreading in Asia in a continuous stream since the time of Aristotle. Aristotelian philosophy and natural science had spread across into Asia and had there been elaborated by oriental insight, oriental imagination, oriental vision. Its influence can be traced over the whole of Asia Minor, almost to the frontier of India, and its effectiveness may be judged from the fact that a widespread and highly developed system of medicine, for example, was cultivated at this Court of Haroun al Raschid.