Wars are caused by unprotected wealth.

I promise to keep on living as though I expected to live forever. Nobody grows old by merely living a number of years. People grow old only be deserting their ideals. Years may wrinkle the skin, but to give up interest wrinkles the soul.

A general is just as good or just as bad as the troops under his command make him.

The Pacific no longer represents menacing avenues of approach for a prospective invader. It assumes, instead, the friendly aspect of a peaceful lake. Our line of defense is a natural one and can be maintained with a minimum of military effort and expense.

A good soldier, whether he leads a platoon or an army, is expected to look backward as well as forward; but he must think only forward.

We have known the bitterness of defeat and the exultation of triumph, and from both we have learned there can be no turning back. We must go forward to preserve in peace what we won in war. A new era is upon us. Even the lesson of victory itself brings with it profound concern, both for our future security and the survival of civilization. The destructiveness of the war potential, through progressive advances in scientific discovery, has in fact now reached a point which revises the traditional concepts of war.

Never give an order that can't be obeyed.