Pentagram Ritual: The Essential Skills of Magick

All effective magick stands on three legs: imagination, emotion, and feeling; everything else - all the words and gestures, the implements and costumes, the elaborate circles and furniture - serve only to reinforce and focus these three capacities. If any of these three is lacking, then the work is likely to fail; once you are skilled in using all three, you can dispense with practically all the other things people sometimes insist are essential to the practice.