Carl Sagan Quotes, Morning Quotes, Believe 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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You could just as well say that an agnostic is a deeply religious person with at least a rudimentary knowledge of human fallibility.

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Tags : Carl Sagan Quotes , Religious Quotes , Agnostic Quotes

We've begun at last to wonder about our origins, star stuff contemplating the stars, organized collections of ten billion billion billion atoms contemplating the evolution of matter, tracing that long path by which it arrived at consciousness here on the planet Earth and perhaps throughout the cosmos. Our obligation to survive and flourish is owed not just to ourselves but also to that cosmos, ancient and vast, from which we spring.

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Tags : Carl Sagan Quotes , Stars Quotes , Spring Quotes

Except for children (who don't know enough not to ask the important questions), few of us spendtime wondering why nature is the way it is . . .

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Tags : Carl Sagan Quotes , Nature Quotes , Children Quotes

Science is much more than a body of knowledge. It is a way of thinking. This is central to its success. Science invites us to let the facts in, even when they don't conform to our preconceptions. It counsels us to carry alternative hypotheses in our heads and see which ones best match the facts. It urges on us a fine balance between no-holds-barred openness to new ideas, however heretical, and the most rigorous skeptical scrutiny of everything - new ideas and established wisdom.

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Tags : Carl Sagan Quotes , Thinking Quotes , Ideas Quotes

A googolplex is precisely as far from infinity as is the number 1... no matter what number you have in mind, infinity is larger still.

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We are like butterflies who flutter for a day and think it is forever.

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Absolute certainty will always elude us. We will always be mired in error. The most each generation can hope for is to reduce the error. . . .

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For years I've been stressing with regard to UFOs that extraordinary claims require extraordinary evidence.

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Tags : Carl Sagan Quotes , Stress Quotes , Years Quotes

For all our conceits about being the center of the universe, we live in a routine planet of a humdrum star stuck away in an obscure corner ... on an unexceptional galaxy which is one of about 100 billion galaxies. ... That is the fundamental fact of the universe we inhabit, and it is very good for us to understand that.

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Tags : Carl Sagan Quotes , Stars Quotes , Humility Quotes

The very act of understanding is a celebration of joining, merging, even if on a very modest scale, with the magnificence of the Cosmos.

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Tags : Carl Sagan Quotes , Understanding Quotes , Cosmos Quotes

I don't know the answer. Maybe no one knows. Maybe when you grow up, you'll be the first to find out.

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Our concern for the future can be tested by how well we support our libraries.

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A celibate clergy is an especially good idea, because it tends to suppress any hereditary propensity toward fanaticism.

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Tags : Carl Sagan Quotes , Atheist Quotes , Science Quotes

In the middle 1970s an astronomer I admire put together a modest manifesto called "Objections to Astrology" and asked me to endorse it. I struggled with his wording, and in the end found myself unable to sign, not because I thought astrology has any validity whatever, but because I felt (and still feel) that the tone of the statement was authoritarian.

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Tags : Carl Sagan Quotes , Astrology Quotes , Atheism 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

Any civilization that doesn't develop space travel dies.

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

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The nitrogen in our DNA, the calcium in our teeth, the iron in our blood, the carbon in our apple pies were made in the interiors of collapsing stars. We are made of starstuff.

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Tags : Carl Sagan Quotes , Stars Quotes , Iron Quotes

Man is a transitional animal. He is not the climax of creation

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Tags : Carl Sagan Quotes , Animal Quotes , Men Quotes