At a certain age some people's minds close up; they live on their intellectual fat.
William Lyon PhelpsIn a start-up company, you basically throw out all assumptions every three weeks.
William Lyon PhelpsThose who decide to use leisure as a means of mental development, who love good music, good books, good pictures, good plays, good company, good conversation - what are they? They are the happiest people in the world.
William Lyon Phelps