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In the long run, the aggressive civilizations destroy themselves, almost always. It's their nature. They can't help it.
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
Civilization
Almost
Help
Helping
Running
Nature
Civilizations
Long
Aggressive
Always
Destroy
More quotes by Carl Sagan
Thus the recent rapid evolution of human intelligence is not only the cause of but also the only conceivable solution to the many serious problems that beset us.
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Except for fools and madmen, everyone knows that nuclear war would he an unprecedented human catastrophe.
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UFOs: The reliable cases are uninteresting and in the interesting cases are unreliable.
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Think of how many religions attempt to validate themselves with prophecy. Think of how many people rely on these prophecies, however vague, however unfulfilled, to support or prop up their beliefs. Yet has there ever been a religion with the prophetic accuracy and reliability of science? ... No other human institution comes close.
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Skeptical scrutiny is the means, in both science and religion, by which deep thoughts can be winnowed from deep nonsense.
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Scientists make mistakes. Accordingly, it is the job of the scientist to recognize our weakness, to examine the widest range of opinions, to be ruthlessly self-critical. Science is a collective enterprise with the error-correction machinery often running smoothly.
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We are...capable of using our compassion and our intelligence, our technology and our wealth, to make an abundant and meaningful life for every inhabitant of this planet. To enhance enormously our understanding of the Universe, and to carry us to the stars.
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The dumbing down of America is evident in the slow decay of substantive content, a kind of celebration of ignorance.
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A single message from space will show that it is possible to live through technological adolescence. . . . It is possible that the future of human civilization depends on the receipt of interstellar messages.
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She had studied the universe all her life, but had overlooked its clearest message: For small creatures such as we the vastness is bearable only through love.
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I would love to believe that when I die I will live again, that some thinking, feeling, remembering part of me will continue.
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Those who seek power at any price detect a societal weakness, a fear that they can ride into office.
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What an astonishing thing a book is.
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We are like butterflies who flutter for a day and think it is forever.
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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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The simplest thought, like the concept of the number one, has an elaborate logical underpinning.
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We are the custodians of life's meaning.
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A book is proof that humans are capable of working magic.
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Absolute certainty will always elude us. We will always be mired in error. The most each generation can hope for is to reduce the error. . . .
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Better the hard truth, I say, than the comforting fantasy. And in the final tolling it often turns out that the facts are more comforting than the fantasy.
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