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If our long-term survival is at stake, we have a basic responsibility to our species to venture to other worlds. Sailors on a becalmed sea, we sense the stirring of a breeze.

Carl Sagan

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Carl Sagan
Age: 62 †
Born: 1934
Born: November 9
Died: 1996
Died: December 20
Astronomer
Astrophysicist
Cosmologist
Naturalist
Non-Fiction Writer
Novelist
Physicist
Planetary Scientist
Science Communicator
Brooklyn
New York
Carl Edward Sagan
Sagan
Carl E. Sagan
Carl E Sagan
C. E. Sagan
C.E. Sagan
C E Sagan
C. Sagan
C Sagan
Sagan C
Sagan C.
Sagan C. E.
Sagan CE
World
Survival
Sailor
Sea
Stirring
Species
Stake
Responsibility
Breeze
Term
Venture
Space
Stakes
Sense
Worlds
Becalmed
Long
Basic
Sailors

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Science arouses a soaring sense of wonder. But so does pseudoscience. Sparse and poor popularizations of science abandon ecological niches that pseudoscience promptly fills. If it were widely understood that claims to knowledge require adequate evidence before they can be accepted, there would be no room for pseudoscience.
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There is much that science doesn't understand, many mysteries still to be resolved. In a Universe tens of billions of light-years across and some ten or fifteen billion years old, this may be the case forever. We are constantly stumbling on new surprises
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We have heard the rationales offered by the nuclear superpowers. We know who speaks for the nations. But who speaks for the human species? Who speaks for Earth?
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What began in deadly competition has helped us to see that global cooperation is the essential precondition for our survival. Travel is broadening. It's time to hit the road again.
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It is said that men may not be the dreams of the god, but rather that the gods are the dreams of men.
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Our loyalties are to the species and the planet. We speak for Earth.
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The idea that God is an oversized white male with a flowing beard, who sits in the sky and tallies the fall of every sparrow is ludicrous. But if by 'God,' one means the set of physical laws that govern the universe, then clearly there is such a God. This God is emotionally unsatisfying... it does not make much sense to pray to the law of gravity.
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The fact that some geniuses were laughed at does not imply that all who are laughed at are geniuses.
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Perhaps the depth of love can be calibrated by the number of different selves that are actively involved in a given relationship.
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There is today-in a time when old beliefs are withering-a kind of philosophical hunger, a need to know who we are and how we got here. It is an on-going search, often unconscious, for a cosmic perspective for humanity
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In the vastness of the Cosmos there must be other civilizations far older and more advanced than ours.
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We are like butterflies who flutter for a day and think it is forever.
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In Mozambique, the story goes, monkeys do not talk, because they know if they utter even a single word some man will come and put them to work.
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Even Johannes Kepler, Isaac Newton, Charles Darwin, Gregor Mendel, and Albert Einstein made serious mistakes. But the scientific enterprise arranges things so that teamwork prevails: What one of us, even the most brilliant among us, misses, another of us, even someone much less celebrated and capable, may detect and rectify.
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Virtually every major technological advance in the history of the human species - back to the invention of stone tools and the domestication of fire - has been ethically ambiguous.
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The universe seems neither benign nor hostile, merely indifferent.
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What's the harm of a little mystification? It sure beats boring statistical analyses.
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We are star stuff harvesting sunlight.
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Human history can be viewed as a slowly dawning awareness that we are members of a larger group.
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A book is proof that humans are capable of working magic.
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