This x factor is army morale, a greater or lesser willingness to fight and face danger on the part of all the men who make up the army, whether or not they are fighting under leaders of genius, with clubs or guns that fire thirty rounds a minute. Men with the greatest desire to fight always steal the advantage when it comes to fighting. Morale is the factor which, when multiplied by mass, gives you the strength of the force. The intellectual problem is to define and express the significance of this unknown factor, morale.
