In his most famous novel Brave New World and his final novel Island, he presented his visions of dystopia and utopia, respectively.
ɪn hɪz mˈoʊst fˈeɪməs nˈɑːvəl bɹˈeɪv nˈuː wˈɜːld ænd hɪz fˈaɪnəl nˈɑːvəl ˈaɪlənd, hiː pɹɪzˈɛntᵻd hɪz vˈɪʒənz ʌv dɪstˈoʊpiə ænd juːtˈoʊpiə, ɹᵻspˈɛktɪvli.