Men called to the conduct of troops should prepare themselves to deal with cases more and more varied upon an ever-increasing horizon of experience. They can only be given the capacity to arrive at a prompt and judicious position by developing in them through study their power of analysis and of synthesis; that is, of conclusion in a purely objective sense, conclusion upon problems which have been actually lived and taken from real history. Thus also can they be founded through the conviction that comes from knowledge in a confidence sufficient to enable them to take such decisions upon the field of action.