"You simply cannot understand psychedelic drugs, which activate the brain, unless you understand something about computers."

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Careful observation will confirm that virtually all spontaneous parapsychological events occur through some form of sleight of mind. It is invariably something hovering just below the threshold of awareness that initiated an unusual event or gave one a curious half sensed feeling that something was about to happen just before it did. The magician seeks to exploid this effect deliberately, but in doing so he must avoid doing it deliberately as it were. Conscious lust of result destroys magical effect, so trickery must be employed to annul it and to activate the subconscious.

— Peter J. Carroll