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Extraordinary observations require extraordinary evidence to make them believable.
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
Evidence
Make
Observations
Believable
Require
Observation
Extraordinary
More quotes by Carl Sagan
Human history can be viewed as a slowly dawning awareness that we are members of a larger group.
Carl Sagan
There is a reward structure in science that is very interesting: Our highest honors go to those who disprove the findings of the most revered among us. So Einstein is revered not just because he made so many fundamental contributions to science, but because he found an imperfection in the fundamental contribution of Isaac Newton.
Carl Sagan
I find science so much more fascinating than science fiction. It also has the advantage of being true.
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We are made of starstuff.
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You're capable of such beautiful dreams and such horrible nightmares.
Carl Sagan
We are star stuff which has taken its destiny into its own hands. The loom of time and space works the most astonishing transformations of matter.
Carl Sagan
Across the sea of space, the stars are other suns.
Carl Sagan
Science is more than a body of knowledge. It's a way of thinking: a way of skeptically interrogating the universe.
Carl Sagan
A multitude of aspects of the natural world that were considered miraculous only a few generations ago are now thoroughly understood in terms of physics and chemistry.
Carl Sagan
We are star stuff harvesting sunlight.
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Books permit us to voyage through time, to tap the wisdom of our ancestors.
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A googolplex is precisely as far from infinity as is the number 1... no matter what number you have in mind, infinity is larger still.
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We've arranged a civilization in which most crucial elements profoundly depend on science and technology.
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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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But nature is always more subtle, more intricate, more elegant than what we are able to imagine.
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The vast distances that separate the stars are providential. Beings and worlds are quarantined from one another. The quarantine is lifted only for those with sufficient self-knowledge and judgment to have safely traveled from star to star.
Carl Sagan
Except in pure mathematics, nothing is known for certain (although much is certainly false).
Carl Sagan
The surface of the Earth is the shore of the cosmic ocean. From it we have learned most of what we know. Recently, we have waded a little out to sea, enough to dampen our toes or, at most, wet our ankles. The water seems inviting. The ocean calls.
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The well-meaning contention that all ideas have equal merit seems to me little different from the disastrous contention that no ideas have any merit.
Carl Sagan
It's hard to kill a creature once it lets you see its consciousness.
Carl Sagan
