“The most technologically efficient machine that man has ever invented is the book.”
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Northrop Frye 137
Canadian literary critic and literary theorist 1912–1991Related quotes
"Speculations Concerning the First Ultraintelligent Machine" http://www.stat.vt.edu/tech_reports/2005/GoodTechReport.pdf, Advances in Computers, vol. 6, 1965

Denis Diderot, Oeuvres complètes de Diderot: revues sur les éditions originales, comprenant ce qui a été publié à diverses époques et les manuscrits inédits, conservés à la Bibliothèque de l'Ermitage, notices, notes, table analytique, Volume 11. Garnier frères, 1767. p. 366

Source: Books, Coningsby (1844), Lothair (1870), Ch. 29.
“Words must surely be counted among the most powerful drugs man ever invented.”
“Unforeseen technological inventions can completely upset the most careful predictions.”
The Art of Doing Science and Engineering: Learning to Learn (1991)

Cited in Soviet Youth and Socialism http://leninist.biz/en/1974/SYAS228/3.1-Youth.and.Culture

“Technological progress has merely provided us with more efficient means for going backwards.”
"Tomorrow and Tomorrow and Tomorrow" in Adonis and the Alphabet (1956); later in Collected Essays (1959), p. 293
Source: Ends and Means