THREE:"You can spend the hundred pounds as you please, dearest," he said. "I am going to tell you a secret. I have had a lovely slice of luck. Forty five-pound banknotes that I never for one moment expected came my way."From this grand synthesis, however, a single element was omitted; and, like the uninvited guest of fairy tradition, it proved strong enough singly to destroy what had been constructed by the united efforts of all the rest. This was the sceptical principle, the critical analysis of ideas, first exercised by Protagoras, made a new starting-point by Socrates, carried to perfection by Plato, supplementing experience with Aristotle, and finally proclaimed in its purity as the sole function of philosophy by an entire school of Greek thought.
