The Murders in the Rue Morgue "most poetical topic in the world". Poe defines Dupin's method, "ratiocination", using the example of a card player: "the extent of information obtained; lies not so much in the validity of the inference as in the quality of the observation." Poe then provides a narrative example where Dupin explains how he knew the narrator was thinking about the actor Chantilly. Dupin then applies his method to the solving of this crime. Dupin's method emphasizes the importance of reading and the written word. The newspaper accounts pique his curiosity; he learns about orangutans from a written account by "Cuvier" — likely
The Murders in the Rue Morgue the two voices heard by witnesses belonged to it and to him. Fearing punishment by its master, the orangutan threw the mother's body out the window and stuffed the daughter into the chimney before fleeing. The sailor sells the orangutan, Le Bon is released from custody, and G– mentions that people should mind their own business once Dupin tells him the story. Dupin comments to the narrator that G– is "somewhat too cunning to be profound", but admires his ability ""de nier ce qui est, et d'expliquer ce qui n'est pas"" (a quote from "Julie, or the New Heloise" by