"So encouraged," said the traveller, good-humouredly, "I will not hesitate to communicate the little I know. In Aleppo there had lived for some years a man who was held by the natives in great reverence. He had the reputation of extraordinary wisdom, but was difficult of access; the lively imagination of the Orientals invested his character with the fascinations of fable,--in short, Haroun of Aleppo was popularly considered a magician. Wild stories were told of his powers, of his preternatural age, of his hoarded treasures. Apart from such disputable titles to homage, there seemed no question, from all I heard, that his learning was considerable, his charities extensive, his manner of life irreproachably ascetic. He appears to have resembled those Arabian sages of the Gothic age to whom modern science is largely indebted,--a mystic enthusiast, but an earnest scholar. A wealthy and singular Englishman, long resident in another part of the East, afflicted by some languishing disease, took a journey to Aleppo to consult this sage, who, among his other acquirements, was held to have discovered rare secrets in medicine,--his countrymen said in 'charms.' One morning, not long after the Englishman's arrival, Haroun was found dead in his bed, apparently strangled, and the Englishman, who lodged in another part of the town, had disappeared; but some of his clothes, and a crutch on which he habitually supported himself, were found a few miles distant from Aleppo, near the roadside. There appeared no doubt that he, too, had been murdered, but his corpse could not be discovered. Sir Philip Derval had been a loving disciple of this Sage of Aleppo, to whom he assured me he owed not only that knowledge of medicine which, by report, Sir Philip possessed, but the insight into various truths of nature, on the promulgation of which, it was evident, Sir Philip cherished the ambition to found a philosophical celebrity for himself." "Of what description were those truths of nature?" I asked, somewhat sarcastically.