
Source: The Next 100 Years: A Forecast for the 21st Century (2009), p. 254
The Pivot of Civilization, 1922
Source: The Next 100 Years: A Forecast for the 21st Century (2009), p. 254
Daniel T. Gilbert (2007) in: John Brockman. What is your dangerous idea?: today's leading thinkers on the unthinkable. Harper Perennial, 2007, p. 42
“Nothing is more dangerous than an idea, when you have only one idea.”
Propos sur le Religion no. 74 (1938), under the pen name Alain.
Alternate translation: “Nothing is more dangerous than an idea, when it's the only one we have.” IZQuotes https://izquotes.com/quote/%C3%A9mile-chartier/nothing-is-more-dangerous-than-an-idea-when-you-have-only-one-idea-390165 (retrieved 10/30/18).
“Yes, books are dangerous. They should be dangerous - they contain ideas.”
Source: https://www.youtube.com/watch?v=R_GPAl_q2QQ "Biblical Series III: God and the Hierarchy of Authority"
“An idea that is not dangerous is unworthy of being called an idea at all.”
The Epigrams of Oscar Wilde, edited by Alvin Redman (1954)