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Los que tienen algo que vender, los que desean influir en la opinión pública, los que mandan, podría sugerir un escéptico, tienen un interés personal… - Carl Sagan
" "Los que tienen algo que vender, los que desean influir en la opinión pública, los que mandan, podría sugerir un escéptico, tienen un interés personal en no fomentar el escepticismo.
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About Carl Sagan
Carl Edward Sagan (9 November 1934 – 20 December 1996) was an American astronomer, planetary scientist, cosmologist, astrophysicist, astrobiologist, author, and science communicator. His best known scientific contribution is research on extraterrestrial life, including experimental demonstration of the production of amino acids from basic chemicals by radiation. Sagan assembled the first physical messages sent into space, the Pioneer plaque and the Voyager Golden Record, universal messages that could potentially be understood by any extraterrestrial intelligence that might find them. Sagan argued the hypothesis, accepted since, that the high surface temperatures of Venus can be attributed to, and calculated using, the greenhouse effect. He testified to the US Congress in 1985 that the greenhouse effect will change the earth's climate system.
Biography information from Wikiquote
Also Known As
Native Name:
Carl Edward Sagan
Alternative Names:
Sagan
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Carl E. Sagan
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Carl E Sagan
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C. E. Sagan
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C.E. Sagan
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C E Sagan
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C. Sagan
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C Sagan
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Sagan C
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Sagan C.
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Sagan C. E.
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Sagan CE
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Additional quotes by Carl Sagan
On the other hand, mere critical thinking, without creative and intuitive insights, without the search for new patterns, is sterile and doomed. To solve complex problems in changing circumstances requires the activity of both cerebral hemispheres: the path to the future lies through the corpus callosum.
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Desde los inicios de la civilización, en las sociedades ha habido clases privilegiadas. Unos grupos oprimen a otros y procuran mantener estas jerarquías de poder. Los hijos de los privilegiados crecen confiando en que, sin ningún esfuerzo particular por su parte, mantendrán su posición privilegiada.
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