Irvin S. Cobb,
Paths of Glory: Impressions of War Written at and Near the Front
“ I am speaking with regard to land defenses which are assailable by land forces. I believe in the future great wars—if indeed there are to be any more great wars following after this one—that the nations involved, instead of buttoning their frontiers down with great fortresses and ringing their principal cities about with circles of protecting works, will put their trust more and more in transportable cannon of a caliber and a projecting force greater than any yet built or planned. ”
