Do what thou wilt shall be the whole of the Law. - Aleister Crowley

"Remember in any case, that not only the Adept, but anyone with the smallest capacity for Adeptship, is fundamentally an Artist; he will certainly not possess any of those bourgeois "virtues" which are just so many reactions to Blue Funk."

I resolved passionately to reach the spiritual causes of phenomena, and to dominate the material world which I detested by their means. I was not content to believe in a personal devil and serve him, in the ordinary sense of the word. I wanted to get hold of him personally and become his chief of staff.

Black magic is not a myth. It is a totally unscientific and emotional form of magic, but it does get results — of an extremely temporary nature. The recoil upon those who practice it is terrific. It is like looking for an escape of gas with a lighted candle. As far as the search goes, there is little fear of failure!
To practice black magic you have to violate every principle of science, decency, and intelligence. You must be obsessed with an insane idea of the importance of the petty object of your wretched and selfish desires. I have been accused of being a "black magician." No more foolish statement was ever made about me. I despise the thing to such an extent that I can hardly believe in the existence of people so debased and idiotic as to practice it.