Malcolm X: "Extremism in the Defense of Liberty is No Vice..."
How's this for a Fourth of July blog? In December 1964, Malcolm X appeared in a debate at the Oxford University Union to speak in favor of the motion that"extremism in the defense of liberty is no vice; moderation in the pursuit of justice is no virtue." (hear audio here)
Of course, Barry Goldwater had first uttered this phrase earlier that year at the Republican National Convention. His speech was written by Karl Hess, a future chair of the Libertarian Party.