their knowledge with mystery, and keep it to themselves or in particular families. The profession of medicine being thus started, the inevitable theories of supernatural powers causing diseases would be encouraged, because these would promote the mystery already gathering round the practice of medicine, and from them would follow incantations, exorcisms, the association of priestcraft with the healing arts, and the superstitions, credulities, and impostures which have been its constant companions, and which are still too much in evidence.
THE INVENTORS OF MEDICINE
Medicine and Magic consequently became intimately associated, and useful facts, superstitious practices, and conscious and unconscious deceptions, became blended into a mosaic which formed a fixed and reverenced System of Medicine. Again the supernatural powers were called in and the credit of the revelation of this Art, that is its total fabric, was attributed either to a divine being who had brought it from above, or to some gifted and inspired creature, who in consequence had been admitted into the family of the deities.
In Egypt Osiris and Isis, brother and sister, and at the same time husband and wife, were worshipped as the revealers of medical knowledge among most other sciences. Formulas credited to Isis were in existence in the time of Galen, but even that not too critical authority rejected these traditions without hesitation. In ancient Egypt, however, the priests who held in their possession all the secrets of medicine claimed Isis as the founder of their science. Some old legends explained that she acquired her knowledge of medicine
