It is a waste of energy to be angry with a man who behaves badly, just as it is to be angry with a car that won't go. The difference is that you can compel your car to go to a garage, but you cannot compel Hitler to go to a psychiatrist.
The Collected Papers of Bertrand Russell: A fresh look at empiricism, 1927-42 (G. Allen & Unwin, 1996), p. 544.