"The syllogism he had learnt from Kiesewetter’s Logic: “Caius is a man, men are mortal, therefore Caius is mortal,” had always seemed to him correct as applied to Caius, but certainly not as applied to himself. That Caius—man in the abstract—was mortal, was perfectly correct, but he was not Caius, not an abstract man, but a creature quite, quite separate from all others."