"Undeterred, the student said that he had made a mistake and that the quotation was in fact from Euripides. To the great amusement of the young ladies, Porson immediately produced a copy of Euripides from his pocket and issued the same challenge.
"In a last desperate attempt to save face, the young man announced with conviction that the passage was, of course, from Aeschylus. However, on seeing the inevitable copy of Aeschylus emerge from Porson's pocket, he finally admitted defeat.
"'Coachman!' he cried. 'Let me out! There's a fellow here has the whole Bodleian Library in his pocket!'"