The only thing harder than getting a new idea into the military mind is to get an old one out.
B. H. Liddell HartThe predominance of moral factors in all military decisions. On them constantly turns the issue of war and battle. In the history of war they form the more constant factors, changing only in degree, whereas the physical factors are different in almost every war and every military situation.
B. H. Liddell HartWhile hitting one must guard ... In order to hit with effect, the enemy must be taken off his guard.
B. H. Liddell HartIn reality, it si more fruitful to wound than to kill. While the dead man lies still, counting only one man less, the wounded man is a progressive drain upon his side.
B. H. Liddell Hart