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We can always take but never give.

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
Always
Never
Give
Take
Giving

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Modern science has been a voyage into the unknown, with a lesson in humility waiting at every stop. Many passengers would rather have stayed home.
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I set before you two ways: You can use your technology to destroy yourselves or to carry you to the planets and the stars. It's up to you.
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Except for fools and madmen, everyone knows that nuclear war would he an unprecedented human catastrophe.
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There is in this Universe much of what seems to be design.
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What's the harm of a little mystification? It sure beats boring statistical analyses.
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A stars rich in europium of distant galaxies analyzed through the collective light of a hundred billion constituent stars. Astronomical spectroscopy is an almost magical technique. It amazes me still. Auguste Comte picked a particularly unfortunate example.
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Don't judge everyone else by your own limited experience.
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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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In our time, we have sifted the sands of Mars, we have established a presence there, we have fulfilled a century of dreams!
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I think the discomfort that some people feel in going to the monkey cages at the zoo is a warning sign.
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And you are made of a hundred trillion cells. We are, each of us, a multitude.
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I believe our future depends powerfully on how well we understand this cosmos in which we float, like a mote of dust in the morning sky.
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Much of human history can, I think, be described as a gradual and sometimes painful liberation from provincialism, the emerging awareness that there is more to the world than was generally believed by our ancestors.
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If chimpanzees have consciousness, if they are capable of abstractions, do they not have what until now has been described as 'human rights'? How smart does a chimp have to be before killing him constitutes murder?
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The uniqueness of humans has been claimed on many grounds, but most often because of our tool-making, culture, language, reason and morality. We have them, the other animals don't, and -- so the argument goes -- that's that.
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Science is an attempt, largely successful, to understand the world, to get a grip on things, to get hold of ourselves, to steer a safe course. Microbiology and meteorology now explain what only a few centuries ago was considered sufficient cause to burn women to death.
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Books permit us to voyage through time, to tap the wisdom of our ancestors.
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Humans - who enslave, castrate, experiment on, and fillet other animals - have had an understandable penchant for pretending animals do not feel pain.
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It is far better to grasp the universe as it really is than to persist in delusion, however satisfying and reassuring.
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But I could be wrong.
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