“No class or group or party in Germany could escape its share of responsibility for the abandonment of the democratic Republic and the advent of Adolf Hitler. The cardinal error of the Germans who opposed Nazism was their failure to unite against it.”
Source: The Rise and Fall of the Third Reich: A History of Nazi Germany
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William L. Shirer 35
American journalist 1904–1993Related quotes

“The party is Hitler, Hitler is Germany, and Germany is Hitler! Sieg heil!”
At Nuremberg, 1934
Source: Killing History: The False Left-Right Political Spectrum and the Battle between the ‘Free Left’ and the ‘Statist Left', (2019), p. 333

“I demand that the petty bourgeois Adolf Hitler be expelled from the Nazi Party.”
As quoted in The Rise and Fall of the Third Reich: A History of Nazi Germany, William L. Shirer, New York: NY Simon & Schuster (2011), p. 127, first published 1960
Attributed

quote circa 1962
Source: after 2000, Doubt and belief in painting' (2003), pp. 49-50, note 57

Speech in Chesterfield (13 June 1941), quoted in The Times (14 June 1941), p. 2.
1940s

As quoted in "The first astronaut: tiny, daring Hanna", by Ron Laytner in The Deseret News (19 February 1981), pp. C1+, p. 12C http://news.google.com/newspapers?id=kz8jAAAAIBAJ&sjid=TYMDAAAAIBAJ&pg=5612,5305691&dq=i-still-wear-the-iron-cross-with-diamonds-hitler-gave-me-but-today-in-all-germany-you-can-t-find-a-single-person-who-voted-adolf-hitler-into-power&hl=en

He will probably bridle, however, at the temerity of comparing homosexuality to the Holocaust.
[2015-06-04, Cardinals Surrender to Iniquitous Spirit of the Time, WorldNetDaily, http://www.wnd.com/2015/06/cardinals-surrender-to-iniquitous-spirit-of-the-time/, 2014-06-08]
2009