War will exist until that distant day when the conscientious objector enjoys the same reputation and prestige that the warrior does today.

Every inhabitant of this planet must contemplate the day when this planet may no longer be habitable .. The weapons of war must be abolished before they abolish us.

I would rather be accused of breaking precedents than breaking promises.

When I ran for Presidency of the United States, I knew that this country faced serious challenges, but I could not realize - nor could any man realize who does not bear the burdens of this office - how heavy and constant would be those burdens

I look forward to an America which will not be afraid of grace and beauty.

It is insane that two men, sitting on opposite sides of the world, should be able to decide to bring an end to civilization.

The earth, the sea and air are the concern of every nation. And science, technology, and education can be the ally of every nation.