Richard P. Feynman Quotes

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

In the past, science has often been able to provide adequate protection against new weapons it has given into the hands of an aggressor, but it cannot promise such efficient protection against the destructive use of nuclear power

Israel’s development of nuclear capability would be a cause for war, no matter how suicidal it would be for us.

Anyone who says that Iran will commit suicide with its nuclear power is a moron and has no business in discussion.

Iran's goal is not to become another North Korea - a nuclear weapons possessor but a pariah in the international community - but rather Brazil or Japan, a technological powerhouse with the capacity to develop nuclear weapons if the political winds were to shift, while remaining a nonnuclear weapons state.

Any country that has a nuclear bomb is a super power.

Ours is a world of nuclear giants and ethical infants.

Russia will likely have the atomic bomb by mid-1953.

Ever since Hiroshima, we've been faced with the depressing fact that you cannot un-invent something.

We know he's been absolutely devoted to trying to acquire nuclear weapons, and we believe he has, in fact, reconstituted nuclear weapons.

Thank God for the bomb. Nuke ya, nuke ya.

We estimate that once Iraq acquires fissile material - whether from a foreign source or by securing the materials to build an indigenous fissile material capability - it could fabricate a nuclear weapon within one year.

I have to bring to your notice a terrifying reality: with the development of nuclear weapons Man has acquired, for the first time in history, the technical means to destroy the whole of civilization in a single act.

But the first the general public learned about the discovery was the news of the destruction of Hiroshima by the atom bomb. A splendid achievement of science and technology had turned malign. Science became identified with death and destruction.

I argue that for every country to have an independent fuel cycle is the wrong way to go. Because any country which has a complete fuel cycle is a latent nuclear weapons country, in the sense that it is not far from making a nuclear weapon.

The North Koreas of the world are trying very hard to acquire the material they need to acquire nuclear weapons, as is the case with Iran.

The most dangerous thing Iraq could have ever had was a nuclear weapon. The nuclear weapon Iraq was trying to build was not deliverable by bomb or ballistic missile. It was a large, bulky device that they hoped to bury and set off to let the world know they had a nuclear weapon. They never achieved that.

Experts say that Iraq may have nuclear weapons. That's bad news - they may have a nuclear bomb. Now the good news is that they have to drop it with a camel.

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

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

The rapid dissemination of technology and information offers entirely new ways of production, but it can also bring the spectre of more states developing weapons of mass destruction.

Well, The Day the Earth Caught Fire was a story... I don't if anybody knows what it is but it was about... in the early days of testing nuclear bombs, that Russia and America happened to test a nuclear bomb at the same moment at different ends of the earth.

We must take steps to prevent further nuclear weapons development or modernization.

The atomic bomb made the prospect of future war unendurable. It has led us up those last few steps to the mountain pass; and beyond there is a different country.