Reddit mentions of Aleister Crowley: The Biography: Spiritual Revolutionary, Romantic Explorer, Occult Master and Spy

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• The best I know of are probably Churton's biography (I would say Kaczynski, but he is a self-identified Thelemite), and the recent compendium called Aleister Crowley and Western Esotericism by Bogdan & Starr.
  
  
• This essay was literally written in response to this very question.
  
  
• I say that it is a very deep, nuanced phrase that requires an entire lifetime to understand & integrate. The more lengthy answer involves explaining that "Do what thou wilt" doesn't mean "there are no consequences," but that one's primary duty is to find one's true Nature and to express it. Naturally, there will be consequences and conflict, but these are means to our growth, our greater understanding, and our fuller enactment of our Wills. Hope that's helpful. 93 93/93