"Socrates is well known to have sent away several of his disciples to study manticism. The study of magic, or wisdom, included every branch of science, the metaphysical as well as the physical, psychology and physiology in their common and occult phases, and the study of alchemy was universal, for it was both a physical and a spiritual science. Therefore why doubt or wonder that the ancients, who studied nature under its double aspect, achieved discoveries which to our modern physicists, who study but its dead letter, are a closed book?"