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About Carl Sagan
American astronomer, planetary scientist and science communicator
Carl Edward Sagan was an American astronomer, planetary scientist and science communicator. He worked at Harvard as an assistant professor before moving to Cornell University, where he became the David Duncan Professor of Astronomy and Space Sciences and directed the Laboratory for Planetary Studies. Sagan took an active role in the Mariner, Viking and Voyager programs. He also wrote more than 600 scientific papers and articles, along with several popular science books, beginning with The Cosmic Connection. His The Dragons of Eden won the Pulitzer Prize for General Nonfiction.
More from Carl Sagan (293 quotes) →More quotes by Carl Sagan
- “Science gropes and staggers toward improved understanding.”Carl Sagan
- “Claims that cannot be tested, assertions immune to disproof are veridically worthless, whatever value the may…”Carl Sagan
- “If we can't think for ourselves, if we're unwilling to question authority, then we're just putty in the hands…”Carl Sagan
- “The sky calls to us. If we do not destroy ourselves, we will one day venture to the stars.”Carl Sagan
Learning: more sayings
- “I'm not a saint - I'm not saying that - but I was lucky enough to work with people who believed in me, and I…”Dominique Crenn
- “Alignment, to us, means bringing pieces into the same line - the same direction. The metaphor is that a magne…”Dave Logan
- “The relation of repetitions for learning and for repeating English stanzas needs no amplification. These were…”Hermann Ebbinghaus
Explore Knowledge
- “This heart within me I can feel, and I judge that it exists. This world I can touch, and I likewise judge tha…”Albert Camus
- “Regular and concentrated training makes an expert.”Rajen Jani
- “There is obviously something wrong with our educational system. It is not beyond the realm of possibility tha…”J. Paul Getty
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Books by Carl Sagan
Cosmos
1980
Contact
1986
The Demon-Haunted World
1996
The Dragons of Eden
1977
Billions and billions
1997