There are no forbidden questions in science, no matters too sensitive or delicate to be probed, no sacred truths.
CARL SAGANFor me, it is far better to grasp the Universe as it really is than to persist in delusion, however satisfying and reassuring.
More Carl Sagan Quotes
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Don’t judge everyone else by your own limited experience.
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The significance of our lives and our fragile planet is then determined only by our own wisdom and courage.
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Understanding is a kind of ecstasy.
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Avoidable human misery is more often caused not so much by stupidity as by ignorance, particularly our ignorance about ourselves.
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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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What an astonishing thing a book is.
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Books permit us to voyage through time, to tap the wisdom of our ancestors.
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All civilizations become either spacefaring or extinct.
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When we look up at night and view the stars, everything we see is shinning because of distant nuclear fusion.
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If we continue to accumulate only power and not wisdom, we will surely destroy ourselves.
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There are as many atoms in one molecule of DNA as there are stars in a typical galaxy.
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You have to know the past to understand the present.
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Across the sea of space, the stars are other suns.
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Books are like seeds. They can lie dormant for centuries and then flower in the most unpromising soil.
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If you wish to make an apple pie from scratch, you must first invent the universe.
CARL SAGAN