Carl Sagan Quotes, Atheist Quotes, Doe Quotes

An atheist is someone who is certain that God does not exist, someone who has compelling evidence against the existence of God. I know of no such compelling evidence.

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Any faith that admires truth, that strives to know God, must be brave enough to accommodate the universe.

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Man is the matter of the cosmos, contemplating itself.

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Observation: I can't see a thing. Conclusion: Dinosaurs.

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What distinguishes our species is thought. The cerebral cortex is in a way a liberation. We need no longer be trapped in the genetically inherited behavior patterns of lizards and baboons: territoriality and aggression and dominance hierarchies. We are each of us largely responsible for what gets put in to our brains. For what as adults we wind up caring for and knowing about. No longer at the mercy of the reptile brain we can change ourselves. Think of the possibilities.

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Tags : Carl Sagan Quotes , Caring Quotes , Thinking Quotes

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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Tags : Carl Sagan Quotes , Morning Quotes , Believe Quotes

Since, in the long run, every planetary society will be endangered by impacts from space, every surviving civilization is obliged to become spacefaring — not because of exploratory or romantic zeal, but for the most practical reason imaginable: staying alive.

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Tags : Carl Sagan Quotes , Running Quotes , Responsibility Quotes

Recent research shows that many children without enough to eat wind up with diminished capacity to understand and learn (“cognitive impairment” ). Children don't have to be starving for this to happen. Even mild undernourishment — the kind most common among poor people in America — can do it.

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The method of science, as stodgy and grumpy as it may seem, is far more important than the findings of science.

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The difference between physics and metaphysics is not that the practitioners of one are smarter than the practitioners of the other. The difference is that the metaphysicist has no laboratory.

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Tags : Carl Sagan Quotes , Differences Quotes , Physics Quotes

If chimpanzees have consciousness, if they are capable of abstractions, do they not have what until now has been described as 'human rights'? How smart does a chimp have to be before killing him constitutes murder?

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Tags : Carl Sagan Quotes , Smart Quotes , Animal Quotes

We are, in a way, temporary ambulatory repositories for our nucleic acids. This does not deny our humanity; it does not prevent us from pursuing the good, the true and the beautiful. But it would be a great mistake to ignore where we have come from in our attempt to determine where we are going.

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Tags : Carl Sagan Quotes , Beautiful Quotes , Mistake Quotes

The truth may be puzzling. It may take some work to grapple with. It may be counterintuitive. It may contradict deeply held prejudices. It may not be consonant with what we desperately want to be true. But our preferences do not determine what's true.

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Tags : Carl Sagan Quotes , Science Quotes , Prejudice Quotes

The fact that someone says something doesn't mean it's true. Doesn't mean they're lying, but it doesn't mean it's true.

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I am often amazed at how much more capability and enthusiasm for science there is among elementary school youngsters than among college students.

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Widespread intellectual and moral docility may be convenient for leaders in the short term, but it is suicidal for nations in the long term. One of the criteria for national leadership should therefore be a talent for understanding, encouraging, and making constructive use of vigorous criticism.

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Tags : Carl Sagan Quotes , Suicidal Quotes , Science Quotes

.. Think of the rivers of blood spilled by all those generals and emperors so that in glory and in triumph they could become the 'Momentary' masters of a 'Fraction' of a 'Dot'

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I would be very ashamed of my civilization if we did not try to find out if there is life in outer space.

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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 , Lasts Quotes , Calendars Quotes

I believe that part of what propels science is the thirst for wonder. It's a very powerful emotion. All children feel it. In a first grade classroom everybody feels it; in a twelfth grade classroom almost nobody feels it, or at least acknowledges it. Something happens between first and twelfth grade, and it's not just puberty. Not only do the schools and the media not teach much skepticism, there is also little encouragement of this stirring sense of wonder. Science and pseudoscience both arouse that feeling. Poor popularizations of science establish an ecological niche for pseudoscience.

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Tags : Carl Sagan Quotes , Encouragement Quotes , Children Quotes