But the supposition that any heirs male of this family became mussulmen, is, beyond any sort of doubt, without foundation or probability.
Omar, after subduing Egypt, destroyed the Valuable library at Alexandria, but his successors thought very differently from him in the article of profane learning. Greek books of all kinds (especially those of Geometry, Astronomy, and Medicine,) were searched for every where and translated. Sciences flourished and were encouraged. Trade at the same time kept pace, and increased with knowledge. Geography and astronomy were every where diligently studied and solidly applied to make the voyages of men from place to place safe and expeditious. The Jews (constant servants of the Arabs) imbibed a considerable share of their taste for earning.
They had, at this time, increased very much in number. By the violence of the Mahometan conquests in Arabia and Egypt, where their sect did principally prevail, they became very powerful in Abyssinia. Arianism, and all the various heresies that distracted the Greek church, were received there in their turn from Egypt; the bonds of Christianity were dissolved, and people in general were much more willing to favour a new religion, than to agree with, or countenance any particular one of their own, if it differed from that which they adopted in the merest trifle. This had destroyed their metropolis in Egypt, just now delivered up to the Saracens; and the disposition of the Abyssinians seemed so very much to resemble their brethren the Cophts, that a revolution in favour of Judaism was thought full as feasible in the country, as it had been in Egypt in favour
