To foster the people's willing spirit is often as important as to possess the more concrete forms of power.

War is always a matter of doing evil in the hope that good may come of it.

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

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.

The most consistently successful commanders, when faced by an enemy in a position that was strong naturally or materially, have hardly ever tackled it in a direct way. And when, under pressure of circumstances, they have risked a direct attack, the result has commonly been to blot their record with a failure.

The hydrogen bomb is not the answer to the Western peoples' dream of full and final insurance of their security ... While it has increased their striking power it has sharpened their anxiety and deepened their sense of insecurity.