"Ostanes, the Mede, was one of the celebrated early alchemists. Several writers have recorded for us the existence of a book called The Book of the Divine Prescriptions, which seems to have been the most famous writing of these Persian sages."

"The Sultan is not slack in jihad. He never lets go of his spear or bridle in pursuing jihad by land and sea routes. This is his main occupation which engages his eyes and ears. He has spent vast sums …"

"The investigation of the form and brightness of the rings or rays surrounding the image of a star as seen in a good telescope, when a diaphragm bounded by a rectilinear contour is placed upon the obje…"

"It is striking that the idea of a moral being without ordinary human limitations as the source of the moral demand survived in 20th century moral philosophy even in theories that do not posit the exis…"

"I see not then how the children of Adam, or of any man else, can be free from subjection to their parents. And this subjection of children being the fountain of all regal authority, by the ordination …"