Unfortunately, nuclear weapons have become identified with state power.

We cannot walk through life on mountain peaks.

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.

The secret of happiness is something to do.

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

Somewhat by historical happenstance the five permanent members of the UN Security Council - United States, Britain, France, Russia, and China - also were the original five countries to have nuclear weapons.

One goes to Nature only for hints and half-truths. Her facts are crude until you have absorbed them or translated them ... It is not so much what we see as what the thing seen suggests.