Telesterion – Self-Knowledge, Self-Development, Self-Observation, Enlightenment, Brain, Mind, and Consciousness.

http://bibliodyssey.blogspot.com/2006/12/la-trs-sainte-trinosophie.html

From the BIBLIODDYSSEY web site:

“Either the Count de Saint-Germain or Cagliostro is considered to be the author of ‘La Très Sainte Trinosophie’ (The Most Holy Three-fold Wisdom), from the latter half of the 18th century. It has been called “the rarest of occult manuscripts”1 and the only surviving copy is owned by [...]