The widespread diffusion of nuclear weapons would make many nations able, and in some cases also create the pressure, to aggravate an on-going crisis, or even touch off a war between two other powers for purposes of their own.

World War I broke out largely because of an arms race, and World War II because of the lack of an arms race.

The objective of nuclear-weapons policy should not be solely to decrease the number of weapons in the world, but to make the world safer - which is not necessarily the same thing.

Herman Kahn Quotes