The great secret, Eliza, is not having bad manners or good manners or any other particular sort of manners, but having the same manner for all human souls: in short, behaving as if you were in Heaven, where there are no third-class carriages, and one soul is as good as another.
George Bernard Shaw (1856–1950), Anglo-Irish playwright, critic. (First produced, in German, 1913). Henry Higgins, in Pygmalion, act 5, The Bodley Head Bernard Shaw: Collected Plays with their Prefaces, vol. 4, ed. Dan H. Laurence (1972).