War is a serious game in which a man risks his reputation, his troops, and his country. A sensible man will search himself to know whether or not he is fitted for the trade.
One must indeed be ignorant of the methods of genius to suppose that it allows itself to be cramped by forms. Forms are for mediocrity, and it is fortunate that mediocrity can act only according to routine. Ability takes its flight unhindered.
My mind is a chest of drawers. When I wish to deal with a subject, I shut all the drawers but the one in which the subject is to be found. When I am wearied, I shut all the drawers and go to sleep.