“The invention of printing did away with anonymity, fostering ideas of literary fame and the habit of considering intellectual effort as private property.”
Source: 1960s, The Medium is the Message (1967), p. 122
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Marshall McLuhan 416
Canadian educator, philosopher, and scholar-- a professor … 1911–1980Related quotes

2000s, The Real Abraham Lincoln: A Debate (2002), Q&A

Section 2, paragraph 25.
The Manifesto of the Communist Party (1848)

Source: Elements of the Philosophy of the Human Mind, 1792, p. 334 (in 1829 edition https://books.google.nl/books?id=VxtSAAAAMAAJ)

“Property and Freedom: The Inseparable Connection,” speech at an “Evenings at FEE” event, October 2004. https://fee.org/resources/property-and-freedom-the-inseparable-connection/

Referring to a famous statement by the French anarchist Pierre-Joseph Proudhon that "Property is theft!", as quoted in The Man Who Loved Only Numbers (1998) by Paul Hoffman, p. 7