I slept with Faith, and found a corpse in my arms on awaking; I drank and danced all night with Doubt, and found her a virgin in the morning. - Aleister Crowley

Man is ignorant of the nature of his own being and powers. Even his idea of his limitations is based on experience of the past, and every step in his progress extends his empire. There is therefore no reason to assign theoretical limits to what he may be, or what he may do.

Keep on acquiring a taste for what is naturally repugnant; this is an unfailing source of pleasure.

The Way of Mastery is to break all the rules — but you have to know them perfectly before you can do this; otherwise you are not in a position to transcend them.