The first quality of the commander-in-chief is a cool head to receive a correct impression of things. He should not allow himself to be confused by either good or bad news.
Napoleon BonaparteA commander in chief ought to say to himself several times a day: If the enemy should appear on my front, on my right, on my left, what would I do? And if the question finds him uncertain, he is not well placed, he is not as he should be, and he should remedy it.
Napoleon Bonaparte