We've been in a period of relative stability and cooperation since the end of the Cold War among the world's major powers, but that may not always exist. And certainly one could even predict that there will be periods of hostility or tension ahead.

Certainly in the United States, you have a constituency in the form of the weapons laboratories, and you also have the branches of the armed services that are involved with nuclear weapons deployment, especially the naval submarine operations and also the air force's land-based ICBM operations. So they have a big lobby in Washington.

The atmosphere of our time is fast being cleared of the fumes and deadly gases that arose during the carboniferous age of theology.

The only countries that are outside of [ Nuclear Non-Proliferation Treaty] are Israel, Pakistan, India, and North Korea withdrew in the last few years.

The floating vapour is just as true an illustration of the law of gravity as the falling avalanche.

It doesn't seem to be that huge a commitment that would create, you know, some kind of really powerful constituency. But the history has been for the United States and Russia especially that nuclear weapons have kind of become part of the identity of the countries.

If you think you can do it, you can.