Carl Sagan Quotes

The lesson of history is when a war starts every nation will ultimately use whatever weapon it has available. ... Therefore, we must expect that if another war — a serious war — breaks out, we will use nuclear energy in some form.

We do not believe that a nuclear war should be fought and we do not believe that a nuclear war can be won.

I feel impelled to speak today in a language that in a sense is new-one which I, who have spent so much of my life in the military profession, would have preferred never to use. That new language is the language of atomic warfare.

The whole idea of a nuclear system is to have a deterrent where we decide if we're going to use it.

I can't understand why anyone would want nuclear warheads. If you shoot them off, it's not like you can take over that country-all you do is kill millions of people.

This means that the only function of nuclear weapons, while they exist, is to deter a nuclear attack.

I could not conceive of any President engaging in all-out nuclear war unless we were in danger of all-out devastation ourselves.

If an SDI (Strategic Defense Initiative) system were to keep out ninety percent of incoming nuclear missiles, it would be a ninety percent success and most Americans would be dead.

A nuclear weapon is not just a football that you can use at will.

The atomic bomb was the turn of the screw. It has made the prospect of future war unendurable.

If we made atomic bombs, we would bring about a terrible change in the world. Who knows what would happen from this?

Every thinking person fears nuclear war, and every technological state plans for it. Everyone knows it is madness, and every nation has an excuse

We are told that the possession of nuclear weapons - in some cases even the testing of these weapons - is essential for national security. But this argument can be made by other countries as well.

Even with the best intentions, you can have a nuclear war, a nuclear holocaust, through miscalculation, through accidents.

The atom bomb is a paper tiger which the United States reactionaries use to scare people. It looks terrible, but in fact it isn't.

One nuclear war is going to be the last nuclear - the last war, frankly, if it really gets out of hand. And I just don't think we ought to be prepared to accept that sort of thing.

I remember fear and I remember the potential of nuclear war.

It would be our policy to use nuclear weapons wherever we felt it necessary to protect our forces and achieve our objectives.

I'm still bothered by the threat of nuclear war.

If you go on with this nuclear arms race, all you are going to do is make the rubble bounce.

In a world which is armed to its teeth with nuclear weapons, every quarrel or difference of opinion may lead to violence of a kind quite different from what is possible today.

Growing up during the Cold War, I remember the seemingly imminent threat of nuclear war. In primary school we were taught to 'duck-and-cover' for protection. But even as children hiding under wooden desks, we recognized the inadequacies of this strategy.

The human species really could have faced global thermonuclear war. During seventy years of Cold War we grew used to it.

The atomic bomb means the end of world war.

Nut With A Nuke