Carl Sagan Quotes, June Quotes, July Quotes

The cosmic calendar compresses the local history of the universe into a single year. If the universe began on January 1st it was not until May that the Milky Way formed. Other planetary systems may have appeared in June, July and August, but our Sun and Earth not until mid-September. Life arose soon after. We humans appear on the cosmic calendar so recently that our recorded history occupies only the last few seconds of the last minute of December 31st.

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Tags : Carl Sagan Quotes , June Quotes , July Quotes

When Kepler found his long-cherished belief did not agree with the most precise observation, he accepted the uncomfortable fact. He preferred the hard truth to his dearest illusions, that is the heart of science.

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Tags : Carl Sagan Quotes , Integrity Quotes , Heart Quotes

Every one of us is, in the cosmic perspective, precious. If a human disagrees with you, let him live. In a hundred billion galaxies, you will not find another.

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Otherwise we don't run the government the government runs us

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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.

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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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Tags : Carl Sagan Quotes , Able Quotes , Imagine Quotes

When you realize that no one really knows what they are doing and that everyone is doing the best they can according to their own level of consciousness, life gets a lot easier. Skeptical scrutiny is the means, in both science and religion, by which deep thoughts can be winnowed from deep nonsense.

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Tags : Carl Sagan Quotes , Mean Quotes , Deep Thought Quotes

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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Tags : Carl Sagan Quotes , Causes Quotes , Serious Quotes

In the fabric of space and in the nature of matter, as in a great work of art, there is, written small, the artist's signature.

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Tags : Carl Sagan Quotes , Art Quotes , Nature Quotes

If we could travel into the past, it's mind-boggling what would be possible. For one thing, history would become an experimental science, which it certainly isn't today. The possible insights into our own past and nature and origins would be dazzling. For another, we would be facing the deep paradoxes of interfering with the scheme of causality that has led to our own time and ourselves. I have no idea whether it's possible, but it's certainly worth exploring.

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Tags : Carl Sagan Quotes , Past Quotes , Ideas Quotes

There are naive questions, tedious questions, ill-phrased questions, questions put after inadequate self-criticism. But every question is a cry to understand the world. There is no such thing as a dumb question.

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Tags : Carl Sagan Quotes , Self Quotes , Dumb Quotes

Chlorine is a deadly poison gas employed on European battlefields in World War I. Sodium is a corrosive metal which burns upon contact with water. Together they make a placid and unpoisonous material, table salt. Why each of these substances has the properties it does is a subject called chemistry.

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If we continue to accumulate only power and not wisdom, we will surely destroy ourselves.

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With insufficient data it is easy to go wrong.

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We are at a crossroads in human history. Never before has there been a moment so simultaneously perilous and promising. We are the first species to have taken evolution into our own hands.

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If you want to save your child from polio, you can pray or you can inoculate....Try science.

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The price we pay for anticipation of the future is anxiety about it

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We live in a society exquisitely dependent on science and technology and yet have cleverly arranged things so that almost no one understands science and technology.

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I believe that the extraordinary should be pursued. But extraordinary claims require extraordinary evidence.

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What a splendid perspective contact with a profoundly different civilization might provide! In a cosmic setting vast and old beyond ordinary human understanding we are a little lonely, and we ponder the ultimate significance, if any, of our tiny but exquisite blue planet, the Earth.... In the deepest sense the search for extraterrestrial intelligence is a search for ourselves.

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Tags : Carl Sagan Quotes , Lonely Quotes , Blue Quotes