All Americans are blind and deaf – and dumb.
As reported in: Helen Keller in Scotland: A Personal Record Written by Herself (Methuen, 1933), p. 35: "Lady Astor tried to interest him in me. 'You know, Mr. Shaw,' she said, 'that Miss Keller is deaf and blind.' 'Why, of course!' he replied, 'all Americans are blind and deaf and dumb.'". Also reported in: Time, 20 March 1933