“There is no such thing as a Sunni bomb. There is no such thing as a Shi'ite bomb. Any nuclear weapon is a threat to all of us.”— Saud al-Faisal
“Iran is not going to acquire a nuclear weapon. We have no intention of building a bomb.”— Mahmoud Ahmadinejad
“Nuclear weapons are not for use. They are for deterrence. They must not be used.”— Abdul Qadeer Khan
“It is important that the public be informed about the issues of nuclear weapons, because the public will have to make the ultimate decisions.”— Hans Bethe
“I believe that the United States should lead the world in a campaign to eliminate all nuclear weapons.”— William J. Perry
“The problem is not that we have too many nuclear weapons. The problem is that we have any nuclear weapons.”— William J. Perry
“I have never been more fearful of a nuclear detonation than now... The likelihood of a nuclear catastrophe is greater today than during the Cold War.”— William J. Perry
“The fundamental point in fabricating a chain reacting machine is of course to see to it that each fission produces a certain number of neutrons and that some of these neutrons will again produce a fission.”— Enrico Fermi
“The existence of nuclear weapons constitutes a threat to the survival of humanity.”— Alfonso García Robles
“History will not be kind to those who miss the opportunity to prevent nuclear Iran.”— Benjamin Netanyahu
“Today, it's a different situation. I think we have to live with nuclear weapons. The main point is to prevent their use.”— Hans Bethe
“The ultimate objective of the non-proliferation regime is a world free of nuclear weapons.”— Mohamed ElBaradei