• A physical shortcoming could produce a kind of mental excess. The process, it seemed, was reversible. Mental excess could produce, for its own purposes, the voluntary blindness and deafness of deliberate solitude, the artificial impotence of asceticism.

    Peter Edgerly Firchow, Aldous Huxley (1984). “The end of Utopia: a study of Aldous Huxley's Brave new world”, Bucknell Univ Pr