You have to know the past to understand the present.
CARL SAGANThe 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.
More Carl Sagan Quotes
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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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Every kid starts out as a natural-born scientist, and then we beat it out of them. A few trickle through the system with their wonder and enthusiasm for science intact.
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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 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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And you are made of a hundred trillion cells. We are, each of us, a multitude.
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Every one of us is, in the cosmic perspective, precious. If a human disagrees with you, let him live. In a hundred billion galaxies, you will not find another.
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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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One of the greatest gifts adults can give – to their offspring and to their society – is to read to children.
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We are like butterflies who flutter for a day and think it is forever.
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Science is a way of thinking much more than it is a body of knowledge.
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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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We all have a thirst for wonder. It’s a deeply human quality. Science and religion are both bound up with it.
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For small creatures such as we the vastness is bearable only through love.
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Science is not only compatible with spirituality; it is a profound source of spirituality.
CARL SAGAN