"The long confusion of Eugenius Philalethes — otherwise Thomas Vaughan — with the anonymous cosmopolite adept, Eirenaeus Philalethes, who is said to have accomplished the Magnum Opus at the age of twenty-two, and to have subsequently wandered over a large portion of the habitable globe, performing astounding transmutations under various names and disguises, has cast so much doubt upon the history and identity of the Welsh initiate, that it will be best to present the reader with certain verbatim citations from the chief authority concerning him, which is the Athena of Anthony k Wood. Preface"