I know at the same time that you will be sympathetic to the point of view that public psychology, and for that matter, individual psychology, cannot, because of human weakness, be attuned for long periods of time to a constant repetition of the highest note on the scale.
Letter to Ray Stannard Baker (March 20, 1935), quoted in My Own Story: From Private and Public Papers (ed. Donald Day; Little, Brown & Co. 1951), p. 239.