A battlefield has never been, and never will be throughout the centuries, simply the ground upon which a particular battle has been fought. If it has been a battlefield, that was because it combined certain conditions of geographical position, of geological formation, drawbacks even, of a kind that would obstruct the enemy (a river, for instance, cutting his force in two), which made it a good field of battle. And so what it has been it will continue to be. A painter doesn’t make a studio out of any old room; so you don’t make a battlefield out of any old piece of ground. There are places set apart for the purpose. But, once again, this is not what I was telling you about; it was the type of battle which one follows, in a sort of strategic tracing, a tactical imitation, if you like. Battles like Ulm, Lodi, Leipzig, Cannae. I can’t say whether there is ever going to be another war, or what nations are going to fight in it, but, if a war does come, you may be sure that it will include (and deliberately, on the commander’s part) a Cannae, an Austerlitz, a Rosbach, a Waterloo.