"They go down the ladder and clamber out through the wardrobe. No soldiers wait in the hall with guns drawn. Nothing seems different at all. A line comes back to Marie-Laure from Jules Verne: Science, my lad, is made up of mistakes, but they are mistakes which it is useful to make, because they lead little by little to the truth. Etienne laughs as though to himself. "Do you remember what Madame said about the boiling frog?" "Yes, Uncle." "I wonder, who was supposed to be the frog? Her? Or the Germans?"