Spenser Wilkinson,
The Brain of an Army: A Popular Account of the German General Staff
“ It may help however to illustrate the dual nature of the cares by which a general is distracted. He has at the same time to perform the military functions of command and to superintend the business of management. His duty as a commander involves continuous attention to the enemy's movements and to the instructions of his own chief. He must study the intentions of the army commander to whom he is subordinate and conform to them in his own movements against the enemy. ”
