So much of what magicians have taken for granted this century stems from the work of the Golden Dawn and Aleister Crowley. Much of what will constitute standard magical theory and practice in the next century will derive from the state-of-the-art ideas and techniques currently under development in Chaos Magic.

Phil Hine, Condensed Chaos: An Introduction to Chaos Magic

Hermetic quote Hine Condensed granted

Consider also:

  1. “Aleister Crowley added a battery of gnostic power techniques culled from diverse cultural sources”
  2. An Introduction to Chaos Magick
  3. Aleister Crowley and the Practice of the Magical Diary
  4. Magick in Theory and Practice
  5. “In my textbook, Theory and Practice of Magick will be found the definition of the word magic, or magick, as I prefer to spell it, to distinguish the real from the fake. It is ‘the science and art of causing change to occur in accordance with the will.'”