For the spread and endurance of an idea the originator is dependent on the self-development of the receivers and transmitters.

The effect to be sought is the dislocation of the opponent's mind and dispositions - such an effect is the true gauge of an indirect approach.

Air Power is, above all, a psychological weapon - and only short-sighted soldiers, too battle-minded, underrate the importance of psychological factors in war.

A complacent satisfaction with present knowledge is the chief bar to the pursuit of knowledge.

In 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.

The 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.

The most effective indirect approach is one that lures or startles the opponent into a false move - so that, as in ju-jitsu, his own effort is turned into the lever of his overthrow.