The Great Work is the uniting of opposites. It may mean the uniting of the soul with God, of the microcosm with the macrocosm, of the female with the… - Aleister Crowley

Indubitably, Magick is one of the subtlest and most difficult of the sciences and arts. There is more opportunity for errors of comprehension, judgement and practice than in any other branch of physics.

In my third year at Cambridge, I devoted myself consciously to the Great Work, understanding thereby the Work of becoming a Spiritual Being, free from the constraints, accidents, and deceptions of material existence. I found myself at a loss for a name to designate my work, just as H. P. Blavatsky some years earlier. "Theosophy", "Spiritualism", "Occultism", "Mysticism", all involved undesirable connotations. I chose therefore the name. "MAGICK" as essentially the most sublime, and actually the most discredited, of all the available terms. I swore to rehabilitate MAGICK, to identify it with my own career; and to compel mankind to respect, love, and trust that which they scorned, hated and feared. I have kept my Word.

The affiliation clause in our Constitution is a privilege: a courtesy to a sympathetic body. Were you not a Mason, or Co-Mason, you would have to be proposed and seconded, and then examined by savage Inquisitors, and then — probably — thrown out on the garbage heap. Well, no, it's not as bad as that; but we certainly don't want anybody who chooses to apply. Would you do it yourself, if you were on the Committee of a Club? The O.T.O. is a serious body, engaged on a work of Cosmic scope. You should question yourself: what can I contribute?