The brain is like a muscle. When it is in use we feel very good. Understanding is joyous.
Dr. Carl Sagan
Who are we? We find that we live on an insignificant planet of a humdrum star lost in a galaxy tucked away in some forgotten corner of a universe in which there are far more galaxies than people.
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Knowing a great deal is not the same as being smart; intelligence is not information alone but also judgment, the manner in which information is collected and used
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.. The use of our intelligence quite properly gives us pleasure. In this respect the brain is like a muscle. When we think well, we feel good. Understanding is a kind of ecstasy.
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It is of interest to note that while some dolphins are reported to have learned English - up to fifty words used in correct context - no human being has been reported to have learned dolphinese.
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Our loyalties are to the species and the planet. We speak for Earth. Our obligation to survive is owed not just to ourselves but also to that Cosmos, ancient and vast, from which we spring.
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Advances in medicine and agriculture have saved vastly more lives than have been lost in all the wars in history.
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A religion old or new, that stressed the magnificence of the universe as revealed by modern science, might be able to draw forth reserves of reverence and awe hardly tapped by the conventional faiths. Sooner or later, such a religion will emerge.
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Somewhere, something incredible is waiting to be known.
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For most of human history we have searched for our place in the cosmos. Who are we? What are we? We find that we inhabit an insignificant planet of a hum-drum star lost in a galaxy tucked away in some forgotten corner of a universe in which there are
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The cosmos is all that is, or ever was, or ever will be.
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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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There are many hypotheses in science which are wrong. That's perfectly all right; they're the aperture to finding out what's right. Science is a self-correcting process. To be accepted, new ideas must survive the most rigorous standards of evidence and scrutiny.
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Science is a way of thinking much more than it is a body of knowledge.
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A galaxy is composed of gas and dust and stars - -billions upon billions of stars
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