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Known Quotes by Carl Sagan

10 Known quotes by Carl Sagan

All Known quotes Carl Sagan’s page

Sagan’s love for the cosmos often starts with what we already know, and these ten short quotes reflect his ability to find awe in the familiar. Each line blends poetic wonder with a grounded sense of reality, perfect for a quick spark of inspiration.

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GO WHERE YOU'VE NEVER BEEN. Somewhere, something incredible is waiting to be known.

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Preserve and cherish the pale blue dot, the only home we've ever known.

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Somewhere, something incredible is waiting to be known.

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Except in pure mathematics, nothing is known for certain (although much is certainly false).

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There is a lurking fear that some things are not “meant" to be known, that some inquiries are too dangerous for human…

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When permitted to listen to alternative opinions and engage in substantive debate, people have been known to change their minds. It can…

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That we can now think of no mechanism for astrology is relevant but unconvincing. No mechanism was known, for example, for continental…

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If you look at Earth from space you see a dot, that's here. That's home. That's us. It underscores the responsibility to…

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“The Apollo pictures of the whole Earth conveyed to multitudes something well known to astronomers: On the scale of the worlds -…

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For myself, I like a universe that, includes much that is unknown and, at the same time, much that is knowable. A…

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It is sometimes said that scientists are unromantic, that their passion to figure out robs the world of beauty and mystery. But is it…

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The prediction of nuclear winter is drawn not, of course, from any direct experience with the consequences of global nuclear war, but rather from…

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The suppression of uncomfortable ideas may be common in religion or in politics, but it is not the path to knowledge; it has no…

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“Telepathy’ literally means to feel at a distance, just as ‘telephone’ is to hear at a distance and ‘television’ is to see at a…

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“On the scale of worlds—to say nothing of stars or galaxies—humans are inconsequential, a thin film of life on an obscure and solitary lump…

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Every one of us is, in the cosmic perspective, precious. If a human disagrees with you, let him live. In a hundred billion galaxies,…

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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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“[ When a religious couple wrote to Sagan about fulfilled prophecies, he wrote back in May 1996 :] If ‘fulfilled prophecy’ is your criterion,…

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Don't judge everyone else by your own limited experience.

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“Books permit us to voyage through time, to tap the wisdom of our ancestors. The library connects us with the insight and knowledge, painfully…

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We live on a hunk of rock and metal that circles a humdrum star that is one of 400 billion other stars that make…

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A tiny blue dot set in a sunbeam. Here it is. That's where we live. That's home. We humans are one species and this…

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