“Speak when you are angry, and you'll make the best speech you'll ever regret.”
“Mr. Nixon, the [late] Vice-President of the U. S. A., has said that the time to lose one's temper is when it is deliberate, whilst another wiseacre has stated, "Speak when you are angry and you'll make the best speech you'll ever regret."”
The Pageant of Life (1964), On Anger
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Peter de Noronha 44
Indian businessman 1897–1970Related quotes

“Speak when you are angry and you will make the best speech you will ever regret.”

Biden at the 2008 Vice Presidential debate. Biden-Palin Vice Presidential debates http://edition.cnn.com/2008/POLITICS/10/02/debate.transcript/, October 2, 2008
2000s

Source: The Cardturner: A Novel about a King, a Queen, and a Joker

2000s, White House speech (2006)

Win or lose, Obama was not and is not the president http://www.wnd.com/2012/11/win-or-lose-obama-was-not-and-is-not-the-president/ WorldNetDaily, November 6, 2012.