A book is made from a tree. It is an assemblage of flat, flexible parts (still called “leaves”) imprinted with dark pigmented squiggles.
CARL SAGANScience is an attempt, largely successful, to understand the world, to get a grip on things, to get hold of ourselves, to steer a safe course.
More Carl Sagan Quotes
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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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I don’t want to believe. I want to know.
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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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All civilizations become either spacefaring or extinct.
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Imagination will often carry us to worlds that never were, but without it we go nowhere.
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The beauty of a living thing is not the atoms that go into it, but the way those atoms are put together.
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Perhaps the depth of love can be calibrated by the number of different selves that are actively involved in a given relationship.
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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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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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Our species needs, and deserves, a citizenry with minds wide awake and a basic understanding of how the world works.
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Our ancestors lived out of doors. They were as familiar with the night sky as most of us are with our favorite television programs.
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Writing is the greatest of human inventions, binding together people, citizens of distant epochs, who never knew one another.
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The total number of stars in the Universe is larger than all the grains of sand on all the beaches of the planet Earth.
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We are star stuff harvesting sunlight.
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Extinction is the rule. Survival is the exception.
CARL SAGAN