When Chancellor Bülow, discussing the problem with Schlieffen in 1904, reminded him of Bismarck’s warning that it would be against “plain common sense” to add another enemy to the forces against Germany, Schlieffen twisted his monocle several times in his eye, as was his habit, and said: “Of course. We haven’t grown stupider since then.” But Belgium would not resist by force of arms; she would be satisfied to protest, he said.