Carl Sagan idézet

Carl Sagan fénykép
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Carl Sagan

Születési dátum: 9. november 1934
Halál dátuma: 20. december 1996
Más nevek: Karl Seýgan

Carl Edward Sagan amerikai csillagász, planetológus, asztrobiológus, békeaktivista és rendkívül szuggesztív ismeretterjesztő volt. A Cornell Egyetem csillagászati és űrtudományi tanszékének professzora, a bolygókutató laboratórium vezetője volt. Kutatásai kezdetben a Vénusz és a Mars légkörére irányultak. Ő tervezte a Viking űrszondák exobiológiai programját. Fontos szerepe volt a NASA űrszondái tudományos programjainak tervezésében, irányításában. A SETI-programok egyik megindítója és vezetője volt. Kiváló népszerűsítő is volt, könyvei, de különösen a Kozmosz című tévésorozata az egész világon nagy sikert aratott. Élete során több mint 600 tudományos cikket publikált, emellett 20 csillagászati témájú könyv szerzőjeként, társszerzőjeként is ismert.

Idézetek Carl Sagan

„To live in the hearts we leave behind is to live forever.“

—  Carl Sagan, Billions & Billions: Thoughts on Life and Death at the Brink of the Millennium

Forrás: Billions & Billions: Thoughts on Life and Death at the Brink of the Millennium

„And chicken soup is widely known to be good for life.“

—  Carl Sagan

The Varieties of Scientific Experience: A Personal View of the Search for God (2006)
Kontextus: The amount of organic matter that could have been produced in the first few hundred million years of Earth history was sufficient to have produced in the present ocean a several-percent solution of organic matter. This is just about the dilution of Knorr's chicken soup, and not that different from the composition either. And chicken soup is widely known to be good for life.

„Consider again that dot. That's here. That's home. That's us. On it everyone you love, everyone you know, everyone you ever heard of, every human being who ever was, lived out their lives. The aggregate of our joy and suffering, thousands of confident religions, ideologies, and economic doctrines, every hunter and forager, every hero and coward, every creator and destroyer of civilization, every king and peasant, every young couple in love, every mother and father, hopeful child, inventor and explorer, every teacher of morals, every corrupt politician, every "superstar", every "supreme leader", every saint and sinner in the history of our species lived there — on a mote of dust suspended in a sunbeam.
The Earth is a very small stage in a vast cosmic arena. Think of the rivers of blood spilled by all those generals and emperors so that, in glory and triumph, they could become the momentary masters of a fraction of a dot. Think of the endless cruelties visited by the inhabitants of one corner of this pixel on the scarcely distinguishable inhabitants of some other corner, how frequent their misunderstandings, how eager they are to kill one another, how fervent their hatreds.
Our posturings, our imagined self-importance, the delusion that we have some privileged position in the Universe, are challenged by this point of pale light. Our planet is a lonely speck in the great enveloping cosmic dark. In our obscurity, in all this vastness, there is no hint that help will come from elsewhere to save us from ourselves.
The Earth is the only world known so far to harbor life. There is nowhere else, at least in the near future, to which our species could migrate. Visit, yes. Settle, not yet. Like it or not, for the moment the Earth is where we make our stand.
It has been said that astronomy is a humbling and character-building experience. There is perhaps no better demonstration of the folly of human conceits than this distant image of our tiny world. To me, it underscores our responsibility to deal more kindly with one another, and to preserve and cherish the pale blue dot, the only home we've ever known.“

—  Carl Sagan, könyv Pale Blue Dot

Forrás: Pale Blue Dot: A Vision of the Human Future in Space (1994), p. 8, Supplemental image at randi.org http://www.randi.org/images/122801-BlueDot.jpg

„If we are alone in the Universe, it sure seems like an awful waste of space.“

—  Carl Sagan, Contact

This is a paraphrase of Sagan quoting Thomas Carlyle: "A sad spectacle. If they be inhabited, what a scope for misery and folly. If they be not inhabited, what a waste of space."
Sagan delivered this quote during the symposium on "Life Beyond Earth and the Mind of Man", held at Boston University (20 November 1972), published in Life Beyond Earth and the Mind of Man (1973) edited by Richard Berendzen; Life Beyond Earth and the Mind of Man (1975) National Archives video http://www.youtube.com/watch?v=cQeOp7a8QMI
Misattributed
Forrás: Contact

„For me, it is far better to grasp the Universe as it really is than to persist in delusion, however satisfying and reassuring.“

—  Carl Sagan, könyv The Demon-Haunted World

Forrás: The Demon-Haunted World : Science as a Candle in the Dark (1995), Ch. 1 : The Most Precious Thing, p. 12
Forrás: The Demon-Haunted World: Science as a Candle in the Dark

„We began as wanderers, and we are wanderers still. We have lingered long enough on the shores of the cosmic ocean. We are ready at last to set sail for the stars.“

—  Carl Sagan, könyv Cosmos

Forrás: Cosmos (1980), p. 193
Kontextus: We embarked on our journey to the stars with a question first framed in the childhood of our species and in each generation asked anew with undiminished wonder: What are the stars? Exploration is in our nature. We began as wanderers, and we are wanderers still. We have lingered long enough on the shores of the cosmic ocean. We are ready at last to set sail for the stars.

„Understanding is a kind of ecstasy“

—  Carl Sagan, könyv Broca's Brain

Forrás: Broca's Brain: Reflections on the Romance of Science

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„Absence of evidence is not evidence of absence.“

—  Carl Sagan, könyv Cosmos

Martin Rees — Sagan refers to this quote in The Demon-Haunted World (1995) (see above)
Misattributed
Forrás: Cosmos

„Somewhere, something incredible is waiting to be known.“

—  Carl Sagan

This phrase was created by reporter Sharon Begley in the end of a 1977 Newsweek article with an extended profile of Carl Sagan. It was a final conclusion about Sagan's work and the topic of hypotethical extra-terrestrial life forms. "Quote Investigator" http://quoteinvestigator.com/2013/03/18/incredible/
Misattributed

„Science is not only compatible with spirituality; it is a profound source of spirituality.“

—  Carl Sagan, könyv The Demon-Haunted World

Forrás: The Demon-Haunted World: Science as a Candle in the Dark

„The extraordinary claims are not supported by extraordinary evidence.“

—  Carl Sagan

7 min 25 sec
Back reference to UFO abduction claims
Cosmos: A Personal Voyage (1990 Update), Encyclopedia Galactica [Episode 12]
Kontextus: For all I know we may be visited by a different extraterrestrial civilization every second Tuesday, but there's no support for this appealing idea. The extraordinary claims are not supported by extraordinary evidence.

„Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Etiam egestas wisi a erat. Morbi imperdiet, mauris ac auctor dictum.“

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