The Prestige by Christopher Priest
The performer is of course not a sorcerer at all, but an actor who plays the part of a sorcerer and who wishes the audience to believe, if only temporarily, that he is in contact with darker powers. The audience, meantime, knows that what they are seeing is not true sorcery, but they suppress the knowledge and acquiesce to the selfsame wish as the performer’s. The greater the performer’s skill at maintaining the illusion, the better at this deceptive sorcery he is judged to be. — The Prestige,...