If I finish a book a week, I will read only a few thousand books in my lifetime, about a tenth of a percent of the contents of the greatest libraries of our time. The trick is to know which books to read.
CARL SAGANThere are as many atoms in one molecule of DNA as there are stars in a typical galaxy.
More Carl Sagan Quotes
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Science is not only compatible with spirituality; it is a profound source of spirituality.
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Nature is unsentimental. Death is built in.
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Be grateful everyday for the brief but magnificent opportunity that life provides.
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Our species needs, and deserves, a citizenry with minds wide awake and a basic understanding of how the world works.
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Every star may be a sun to someone.
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A book is made from a tree. It is an assemblage of flat, flexible parts (still called “leaves”) imprinted with dark pigmented squiggles.
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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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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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I consider it an extremely dangerous doctrine, because the more likely we are to assume that the solution comes from the outside, the less likely we are to solve our problems ourselves.
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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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Other things being equal, it is better to be smart than to be stupid.
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If you wish to make an apple pie from scratch, you must first invent the universe.
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The price we pay for anticipation of the future is anxiety about it.
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Except in pure mathematics, nothing is known for certain (although much is certainly false).
CARL SAGAN