The downfall of civilized states tends to come not from the direct assaults of foes, but from internal decay combined with the consequences of exhaustion in war.

With growing experience, all skillful commanders sought to profit by the power of the defensive, even when on the offensive.

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

Loss of hope rather than loss of life is what decides the issues of war. But helplessness induces hopelessness.

No man can exactly calculate the capacity of human genius and stupidity, nor the incapacity of will.

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

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