Everybody in Christendom has heard of Simon, the magician, and how Peter, the apostle, rebuked him, as told in the narrative of the Acts of the Apostles. Many also have heard the legend of how at Rome this wicked sorcerer endeavoured to fly by aid of the demons, and how Peter caused him to fall headlong and thus miserably perish. And so most think that there is an end of the matter, and either cas...