This volume represents the high-water mark of the thought of Eliphas Levi. It may be regarded as written by him as his Thesis for the Grade of Exempt Adept, just as his "Ritual and Dogma" was his Thesis for the grade of a Major Adept. He is, in fact, no longer talking of things as if their sense was fixed and universal. He is beginning to see something of the contradiction inherent in the nature o...