 The sailor sells the orangutan , Le Bon is released from custody , and the prefect of police 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 <unk> ce qui est , et d <unk> ce qui n 'est pas " ( a quote from Julie , or the New Heloise by Jean @-@ Jacques Rousseau : " to deny that which is , and explore that which is not " ) . 
