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.
CARL SAGANThe Earth is a very small stage in a vast cosmic arena.
More Carl Sagan Quotes
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What an astonishing thing a book is.
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One glance at a book and you hear the voice of another person, perhaps someone dead for 1,000 years. To read is to voyage through time.
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I don’t want to believe. I want to know.
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Be grateful everyday for the brief but magnificent opportunity that life provides.
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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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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.
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Science is a way to not fool ourselves.
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If you wish to make an apple pie from scratch, you must first invent the universe.
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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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The brain is like a muscle. When it is in use we feel very good. Understanding is joyous.
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All over the world there are enormous numbers of smart, even gifted, people who harbor a passion for science.
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And you are made of a hundred trillion cells. We are, each of us, a multitude.
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The Earth is a very small stage in a vast cosmic arena.
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Human beings have a demonstrated talent for self-deception when their emotions are stirred.
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If it can be destroyed by the truth, it deserves to be destroyed by the truth.
CARL SAGAN