Carl Sagan

Absence of evidence is not evidence of absence.

Carl Sagan

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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.

Carl Sagan

1

The Earth is a very small stage in a vast cosmic arena.

Carl Sagan

1

No other planet in the solar system is a suitable home for human beings; it's this world or nothing. That's a very powerful perception.

Carl Sagan

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The universe is not required to be in perfect harmony with human ambition.

Carl Sagan

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Who are we? We find that we live on an insignificant planet of a humdrum star lost in a galaxy tucked away in some forgotten corner of a universe in which there are far more galaxies than people.

Carl Sagan

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We are the representatives of the cosmos; we are an example of what hydrogen atoms can do, given 15 billion years of cosmic evolution.

Carl Sagan

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There is a wide, yawning black infinity. In every direction, the extension is endless; the sensation of depth is overwhelming. And the darkness is immortal. Where light exists, it is pure, blazing, fierce; but light exists almost nowhere, and the blackness itself is also pure and blazing and fierce.

Carl Sagan

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Carl Sagan — quotes and aphorisms

We have also arranged things so that almost no one understands science and technology. This is a prescription for disaster. We might get away with it for a while, but sooner or later this combustible mixture of ignorance and power is going to blow up in our faces.

Carl Sagan

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Imagination will often carry us to worlds that never were. But without it we go nowhere.

Carl Sagan

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If you wish to make an apple pie from scratch, you must first invent the universe.

Carl Sagan

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Extinction is the rule. Survival is the exception.

Carl Sagan

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We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology.

Carl Sagan

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Science is a way of thinking much more than it is a body of knowledge.

Carl Sagan

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