Who calls us Thelemites will do no wrong, if he look but close into the word. For there are therein Three Grades, the Hermit, and the Lover, and the … - Aleister Crowley

Do what thou wilt shall be the whole of the Law.

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 sole test of music is its power to exalt the soul.

A Man who is doing his True Will has the inertia of the Universe to assist him.