“But strategic and tactical ability, skill as a trainer, and reserves of physique and willpower are qualities such as lesser commanders may possess without satisfying the demands of higher command. There is another essential facility required […] it is the ability to deal productively with Government and with Allies.” (Macksey, 1975, p.213).

Reference

Macksey, K. (1975) Guderian: Panzer General. London: MacDonald and Jane’s.