“It would be very dangerous to use the military option [against Iran]. It would not be a good thing. But it would be much more dangerous and much worse if they had nuclear weapons.”

2010s, 2015, Address to the United States Congress (March 2015)

Speech at a Soviet Official banquet http://www.margaretthatcher.org/speeches/displaydocument.asp?docid=106776, St George's Halls, the Kremlin (30 March 1987)
Second term as Prime Minister

Source: Dictionary of Burning Words of Brilliant Writers (1895), P. 357.

On potentials for misuse of nuclear power, p. 31
Portraits in Science interviews (1994)
Context: I, who had been in favour of nuclear energy for generating electricity … I suddenly realised that anybody who has a nuclear reactor can extract the plutonium from the reactor and make nuclear weapons, so that a country which has a nuclear reactor can, at any moment that it wants to, become a nuclear weapons power. And I, right from the beginning, have been terribly worried by the existence of nuclear weapons and very much against their use.

Comments (via satellite) at the Seventh Annual Herzliya Conference in Israel. http://www.herzliyaconference.org/Eng/_Articles/Article.asp?ArticleID=1728&CategoryID=223

As quoted in Nuclear War: The Search for Solutions (1985) by Leonard V. Johnson, Helen Caldicott, Thomas L. Perry and Dianne DeMille

Source: Sins of the Night

Bloomberg Television (regarding Iran), April 2006 http://www.washingtonpost.com/wp-dyn/content/article/2007/08/09/AR2007080900855_pf.html
Senate years (2001 – January 19, 2007)

CNN mistranslation of phrase in 14 January 2006 news conference
correct translation: "Iran has the right to nuclear energy."
"CNN allowed to resume work in Iran after apology" http://www.iranfocus.com/modules/news/article.php?storyid=5347--, Reuters, 17 January 2006
Misattributed