 Bakhtin argued that Dostoevsky's use of multiple voices was a major advancement in the development of the novel as a genre.In his posthumous collection of sketches "A Moveable Feast", Ernest Hemingway stated that in Dostoevsky "there were things believable and not to be believed, but some so true that they changed you as you read them; frailty and madness, wickedness and saintliness, and the insanity of gambling were there to know".James Joyce praised Dostoevsky's prose