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

The theory of the indirect approach operates on the line of least expectation.

For even the best of peace training is more theoretical than practical experience ... indirect practical experience may be the more valuable because infinitely wider.

The unexpected cannot guarantee success, but it guarantees the best chance of success.

Inflict the least possible permanent injury, for the enemy of to-day is the customer of the morrow and the ally of the future

The more usual reason for adopting a strategy of limited aim is that of awaiting a change in the balance of force ... The essential condition of such a strategy is that the drain on him should be disproportionately greater than on oneself.

The urge to gain release from tension by action is a precipitating cause of war.