Barack Obama Quotes

I think the Iranians are clearly determined to have a nuclear program. And we have to assume that with a nuclear program they have the capability and the will to create a nuclear weapon.

The catastrophic humanitarian consequences of any use of nuclear weapons require that it be treated as a top priority. Disarmament will work better than any alternative in reducing the risk of use.

My greatest fear is the Iranians acquire a nuclear weapon and give it to a terrorist organization. And there is a real threat of them doing that.

Iran's continued pursuit of nuclear weapons, support for international terrorist organizations, and abhorrent human rights practices pose one of the greatest threats to global security.

A world without nuclear weapons would be less stable and more dangerous for all of us.

If Iran gets nuclear weapons we are near to the apocalypse.

The threat and use of violence is stimulating nuclear proliferation along with jihadi terrorism.

You've got the North Koreans building weapons; you got the Iranians building weapons. You've got - the Pakistanis already have at least 100 nuclear weapons. Do you think there's any serious effort in this country to come to grips with that?

Our mission was to make sure that the bad guys, basically, did not get nuclear weapons.

If Iran gains a nuclear weapon, we will need a new calendar in the world - it would change humanity that much. Iran will give these weapons to terrorists the world over, and your children and mine will step into the shadow of nuclear terrorism.

The North Korean regime remains one of the world's leading proliferator of missile technology, including transfers to Iran and Syria. The transfer of nuclear weapons or material by North Korea to states or non-state entities would be considered a grave threat to the United States, and we would hold North Korea fully accountable of the consequences of such action.

A nuclear armed Iran makes the world less safe, less stable, less secure.

I'm worried about the world because of nuclear proliferation.

Countries are making nuclear weapons like there is no tomorrow.

Just like Sept. 11, only with nuclear weapons this time, that's the threat. I think that is the threat. I think it's just facing reality. It's not a happy reality, but it's reality and if you don't deal with it, it will become even more unpleasant.

How well a posse policy will fare in a world with 3 billion people below the poverty line and nuclear warheads scattered around a dozen or more regions like melons in a field, is not easy to imagine.

You look at Russia's doing with their nuclear capability and the newness of their capability, and look at we're - what we're doing, and nobody wants to do that with respect to nukes because nukes are horrible. But you have countries that are going out of their way to do things that we're not doing. And we have to be very, very careful.

When nuclear weapons were an elite club of five relatively sane world powers, the Left was convinced the planet was about to go ka-boom any minute, and the handful of us who survived would be walking in a nuclear winter wonderland. Now anyone with a few thousand bucks and an unlisted number in Islamabad in his Rolodex can get a nuke, and the Left couldn't care less.

The Cold War philosophy of Mutual Assured Destruction (MAD), which prevented the former Soviet Union and the United States from using the nuclear weapons they had targeted at each other, would not apply to President Mahmoud Ahmadinejad's Iran. For him (Ahmadinejad), Mutual Assured Destruction is not a deterrent, it is an inducement.

The worst part of what we heard Donald [trump] say has been about nuclear weapons. He has said repeatedly that he didn't care if other nations got nuclear weapons, Japan, South Korea, even Saudi Arabia. It has been the policy of the United States, Democrats and Republicans, to do everything we could to reduce the proliferation of nuclear weapons.

The spread of nuclear weapons is the greatest threat facing the country-and I would argue facing humanity.

But if Saddam had been in a position credibly to threaten America or any of its allies - or the coalition's forces - with attack by missiles with nuclear warheads, would we have gone to the Gulf at all?

We won't take any of the talks seriously if they don't do something to ban all nuclear weapons in North Korea. We consider this to be a very reckless regime. We don't think we need a Band-Aid, and we don't think we need to smile and take a picture. We think that we need to have the, stop nuclear weapons, and they need to stop it now. So, North Korea can talk with anyone they want, but the US. is not going to recognize it or acknowledge it, until they agree to ban the nuclear weapons that they have.

Donald Trump believes that the world will be safer if more nations have nuclear weapons. He's said Saudi Arabia should get them, Japan should get them, Korea should get them. And when he was confronted with this and told, wait a minute, terrorists could get those, proliferation could lead to nuclear war, here's what Donald Trump said, and I quote, go ahead, folks, enjoy yourselves.

Mr. President, the only thing that stops a bad guy with a nuke is a good guy with a nuke.