Carl Sagan Quotes, Mean Quotes, Deep Thought 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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It is all a matter of time scale. An event that would be unthinkable in a hundred years may be inevitable in a hundred million.

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We began as wanderers, and we are wanderers still.

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Tags : Carl Sagan Quotes , Cosmos Quotes , Stills Quotes

I can find in my undergraduate classes, bright students who do not know that the stars rise and set at night, or even that the Sun is a star.

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Wisdom lies in understanding our limitations.

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I have a foreboding of an America in my children's or grandchildren's time - [...] when awesome technological powers are in the hands of a very few, and no one representing the public interest can even grasp the issues; when the people have lost the ability to set their own agendas or knowledgeably question those in authority; when, clutching our crystals and nervously consulting our horoscopes, our critical faculties in decline, unable to distinguish between what feels good and what’s true, we slide, almost without noticing, back into superstition and darkness.

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Tags : Carl Sagan Quotes , Children Quotes , Hands Quotes

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.

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For small creatures such as we the vastness is bearable only through love.

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The open road still softly calls.

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Tags : Carl Sagan Quotes , Stills Quotes , Sedentary Quotes

I also wish that the Pledge of Allegiance were directed at the Constitution and the Bill of Rights, as it is when the President takes his oath of office, rather than to the flag and the nation

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Tags : Carl Sagan Quotes , Rights Quotes , Oath Of Office Quotes

Because men, compared to male chimps, have such relatively small testicles (large testicles indicate a species where many males mate, one after the other, with the same female), we might guess that promiscuous societies were uncommon in the immediate human past.

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Tags : Carl Sagan Quotes , Past Quotes , Men Quotes

For a long time the human instinct to understand was thwarted by facile religious explanations.

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Those afraid of the universe as it really is, those who pretend to nonexistent knowledge and envision a Cosmos centered on human beings will prefer the fleeting comforts of superstition.

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Tags : Carl Sagan Quotes , Comfort Quotes , Cosmos Quotes

Books tap the wisdom of our species -- the greatest minds, the best teachers -- from all over the world and from all our history. And they're patient.

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We have entered, almost without noticing, an age of exploration and discovery unparalleled since the Renaissance.

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History is full of people who out of fear, or ignorance, or lust for power has destroyed knowledge of immeasurable value which truly belongs to us all. We must not let it happen again.

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Not all bits have equal value.

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We are all star stuff.

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The fact that some geniuses were laughed at does not imply that all who are laughed at are geniuses.

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Tags : Carl Sagan Quotes , Laughter Quotes , Doing You Quotes

Science is based on experiment, on a willingness to challenge old dogma, on an openness to see the universe as it really is. Accordingly, science sometimes requires courage - at the very least the courage to question the conventional wisdom.

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Tags : Carl Sagan Quotes , Challenges Quotes , Dogma Quotes