In the course of history periods of capitalism and socialism alternate with one another; capitalism is the unnatural, socialism the natural economic system…. The National Socialists and the Red Front have the same aspirations. The Jews falsified the Revolution in the form of Marxism and that failed to bring fulfilment.
Speech in Potsdam (13 October 1926), quoted in Peter Longerich, Heinrich Himmler (Oxford: Oxford University Press, 2012), pp. 92-93.