“Jacques Ellul observes in Propaganda: When dialogue begins, propaganda ends. His theme, that propaganda is not this or that ideology but rather the action and coexistence of all media at once, explains why propaganda is environmental and invisible. The total life of any culture tends to be "propaganda", for this reason. It blankets perception and supresses awareness, making the counter environments created by the artist indispensable to survival and freedom.”
Source: 1970s, From Cliché to Archetype (1970), p.77
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Marshall McLuhan 416
Canadian educator, philosopher, and scholar-- a professor … 1911–1980Related quotes

Mammonart - an Essay in Economic Interpretation Ch. 2 Who Owns the Artists? (1925)

To Leon Goldensohn, April 6, 1946, from "The Nuremberg Interviews" by Leon Goldensohn, Robert Gellately - History - 2004
Context: What I would like to emanate from the darkness of this tragedy is one spark of life. I mean, the realization that crime does not begin when you murder people. Crime begins with propaganda, even if such propaganda is for a good cause. The moment propaganda turns against another nation or against any human being, evil starts. Whereas the Germans started propaganda toward the end of this tragedy, you Allies stand at the beginning of the tragedy.

“Propaganda is the executive arm of the invisible government.”
Source: Propaganda (1928), p. 48

“The best defense against propaganda: more propaganda.”
Quoted in L. Tye The Father of Spin (1998) p. 102

"Nobel peace prize Dmitry Muratov: Propaganda is war itself" https://voxeurop.eu/en/nobel-peace-prize-dmitry-muratov-propaganda-is-war-itself/, Vox Europ, 3 May 2022

Review of The Men I Killed by Brigadier-General F. P. Crozier, CB, CMG, DSO, in New Statesman and Nation (28 August 1937)

Source: Are We Victims of Propaganda, Our Invisible Masters: A Debate with Edward Bernays (1929), p. 142

Vintage, p. 4
Propaganda: The Formation of Men's Attitudes (1965)
Context: First of all, modern propaganda is based on scientific analyses of psychology and sociology. Step by step, the propagandist builds his techniques on the basis of his knowledge of man, his tendencies, his desires, his needs, his psychic mechanisms, his conditioning — and as much on social psychology as on depth psychology. He shapes his procedures on the basis of our knowledge of groups and their laws of formation and dissolution, of mass influences, and of environmental limitations. Without the scientific research of modern psychology and sociology there would be no propaganda, or rather we still would be in the primitive stages of propaganda that existed in the time of Pericles or Augustus.

Interview by Burton Levine in Shmate: A Journal of Progressive Jewish Thought, May 1988 http://www.chomsky.info/interviews/198805--.htm.
Quotes 1960s-1980s, 1980s