Jürg Niehans, " Revolution and evolution in economic theory https://ecompapers.biz.uwa.edu.au/paper/PDF%20of%20Discussion%20Papers/1992/92-20%20Niehans,%20J.pdf." The Australian Quarterly (1993): 498-515.
“Comrade Tassinari was right in stating that for a revolution to be great, for it to make a deep impression on the life of the people and on history, it must be a social revolution.”
Speech to the National Corporative Council (November 14, 1933), in A Primer of Italian Fascism, edited/translated by Jeffrey T. Schnapp (2000) p.163.
1930s
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Benito Mussolini 127
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Message to Chairman Khrushchev Concerning the Meaning of Events in Cuba (18 April 1961).
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The Aquarian Conspiracy (1980), Chapter Five, The American Matrix for Transformation

Einstein's special theory of relativity, which explains the indeterminateness of the frame of space and time, crowns the work of Copernicus who first led us to give up our insistence on a geocentric outlook on nature; Einstein's general theory of relativity, which reveals the curvature or non-Euclidean geometry of space and time, carries forward the rudimentary thought of those earlier astronomers who first contemplated the possibility that their existence lay on something which was not flat. These earlier revolutions are still a source of perplexity in childhood, which we soon outgrow; and a time will come when Einstein's amazing revelations have likewise sunk into the commonplaces of educated thought.
The Theory of Relativity and its Influence on Scientific Thought (1922), p. 31-32

" The British Rule in India http://www.marxists.org/archive/marx/works/1853/06/25.htm," New York Daily Tribune, 10 June 1853.

Words to Intellectuals (1961)

Speech on November 14, 1933 as quoted in Under the Axe of Fascism, Gaetano Salvemini, London, UK, Victor Gollancz Ltd. (1936) p. 131
1930s

Source: Christianity and the Social Crisis (1907), Introduction, p. xi
Context: Western civilization is passing through a social revolution unparalleled in history for scope and power. Its coming was inevitable.... By universal consent this social crisis is the overshadowing problem of our generation.

Interview with Oriana Fallaci (2 December 1979), Corriere della Sera
Interviews

Mussolini’s speech in Rome, Italy, February 23, 1941. Published in the New York Times, February 24, 1941.
1940s