“Fatigue tends to be the fate of the ambitious, conscientious or the idealistic. It is really experienced by the astute, the lazy or the clever … who may go to considerable trouble to avoid the condition.” (Macksey, 1975, p.169-170).

L’Etang, H. (1969) The Pathology of Leadership: A History of the Effects of Disease on 20th Century Leaders. London: Heinemann Medical. Cited in Macksey, K. (1975) Guderian: Panzer General. London: MacDonald and Jane’s.