Carl Sagan Quote on Critical Thinking and Authority

„If we can't think for ourselves, if we're unwilling to question authority, then we're just putty in the hands of those in power.“

Carl SaganCarl Sagan on the importance of critical thinking and questioning authority to preserve freedom.
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Dr. Carl Edward Sagan was an American astronomer, planetary scientist, cosmologist, and astrophysicist who made substantial contributions to science communication until his death in December 1996.

This quote emphasizes the importance of critical thinking and questioning authority as a foundation for individual freedom.


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Carl Sagan quote image about critical thinking and questioning authority

Carl Edward Sagan (1934–1996) was a distinguished American astronomer, astrophysicist, cosmologist, and planetary scientist. He is renowned for promoting science to the public through the TV series “Cosmos” and numerous popular science books. Sagan contributed significantly to the study of Mars and planetary atmospheres and advocated for rational skepticism and scientific thinking.

Carl Sagan quote image about skepticism, questioning authority, and critical thinkingCopyright © yoice.net – Quote Artwork
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"If we are not able to ask skeptical questions, to interrogate those who tell us that something is true, to be skeptical of those in authority, then, we are up for grabs for the next charlatan (political or religious) who comes rambling along." Carl Sagan
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John Dewey quote about independent thinking and democracyCopyright © yoice.net – Quote Artwork
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"A society with too few independent thinkers is vulnerable to control by disturbed and opportunistic leaders. A society which wants to create and maintain a free and democratic social system must create responsible independence of thought among its young." John Dewey
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Quote about the mind and totalitarianism by Joost A.M. MeerlooCopyright © yoice.net – Quote Artwork
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"The mind that is open for questions is open for dissent. In the totalitarian regime the doubting, inquisitive, and imaginative mind has to be suppressed. The totalitarian slave is only allowed to memorize, to salivate when the bell rings." Joost A.M. Meerloo
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