“Socialism is the science of dealing with the common weal. Communism is not Socialism. Marxism is not Socialism.”
Interview with George Sylvester Viereck, 1923 https://www.theguardian.com/theguardian/2007/sep/17/greatinterviews1
1920s
Context: Socialism is the science of dealing with the common weal. Communism is not Socialism. Marxism is not Socialism. The Marxians have stolen the term and confused its meaning. I shall take Socialism away from the Socialists. Socialism is an ancient Aryan, Germanic institution. Our German ancestors held certain lands in common. They cultivated the idea of the common weal. Marxism has no right to disguise itself as socialism. Socialism, unlike Marxism, does not repudiate private property. Unlike Marxism, it involves no negation of personality, and unlike Marxism, it is patriotic. We might have called ourselves the Liberal Party. We chose to call ourselves the National Socialists. We are not internationalists. Our socialism is national. We demand the fulfilment of the just claims of the productive classes by the state on the basis of race solidarity. To us state and race are one.
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Adolf Hitler 265
Führer and Reich Chancellor of Germany, Leader of the Nazi … 1889–1945Related quotes

Speech given on December 28, 1938, qouted in The Speeches of Adolf Hitler: April 1922-August 1939 pg. 93 https://books.google.com/books?id=PxZoAAAAMAAJ&q=Our+adopted+term+%27Socialist%27+has+nothing+to+do+with+Marxian+Socialism.+Marxism+is+anti-property;+true+Socialism+is+not.&dq=Our+adopted+term+%27Socialist%27+has+nothing+to+do+with+Marxian+Socialism.+Marxism+is+anti-property;+true+Socialism+is+not.&hl=en&sa=X&ved=0ahUKEwjP_pa_xcLYAhVPRN8KHRk2CKsQ6AEIPjAE
1930s
Context: Socialist' I define from the word 'social; meaning in the main ‘social equity’. A Socialist is one who serves the common good without giving up his individuality or personality or the product of his personal efficiency. Our adopted term 'Socialist' has nothing to do with Marxian Socialism. Marxism is anti-property; true socialism is not. Marxism places no value on the individual, or individual effort, of efficiency; true Socialism values the individual and encourages him in individual efficiency, at the same time holding that his interests as an individual must be in consonance with those of the community. All great inventions, discoveries, achievements were first the product of an individual brain. It is charged against me that I am against property, that I am an atheist. Both charges are false.

Source: The Ideology of Fascism: The Rationale of Totalitarianism, (1969), p. 359

“Social science is itself part of the social experience it seeks to interpret and explain.”
Discrepancies among the Social Sciences (1981)

Speech to the Swedish Social Democratic Party congress in Stockholm (5 June 1952), quoted in The Times (6 June 1952), p. 5
Leader of the Opposition

“The goal of Socialism is Communism.”

Source: Mind, Self, and Society. 1934, p. 1 , lead paragraph
“Economics is a social science, not a physical science.”
Part 1, Chapter 1, The Economy and Economics, p. 23
Economics For Everyone (2008)