The military weapon is but one of the means that serve the purposes of war: one out of the assortment which grand strategy can employ.
B. H. Liddell HartNo man can exactly calculate the capacity of human genius and stupidity, nor the incapacity of will.
B. H. Liddell HartThe more closely [the German army] converged on [Stalingrad], the narrower became their scope for tactical manoeuvre as a lever in loosening resistance. By contrast, the narrowing of the frontage made it easier for the defender to switch his local reserves to any threatened point on the defensive arc.
B. H. Liddell Hart