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 SAGANNature is unsentimental. Death is built in.
More Carl Sagan Quotes
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And you are made of a hundred trillion cells. We are, each of us, a multitude.
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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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Be grateful everyday for the brief but magnificent opportunity that life provides.
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What an astonishing thing a book is.
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We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology.
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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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The price we pay for anticipation of the future is anxiety about it.
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The universe is not required to be in perfect harmony with human ambition.
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If you wish to make an apple pie from scratch, you must first invent the universe.
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Your god is too small for my universe.
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Nothing disturbs me more than the glorification of stupidity.
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The very act of understanding is a celebration of joining, merging, even if on a very modest scale, with the magnificence of the Cosmos.
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Other things being equal, it is better to be smart than to be stupid.
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Science is not only compatible with spirituality; it is a profound source of spirituality.
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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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One of the greatest gifts adults can give – to their offspring and to their society – is to read to children.
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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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Across the sea of space, the stars are other suns.
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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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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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We can judge our progress by the courage of our questions and the depth of our answers, our willingness to embrace what is true rather than what feels good.
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I’ve always thought an agnostic is an atheist without the courage of his convictions.
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I would suggest that science is, at least in my part, informed worship.
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We are a way for the cosmos to know itself.
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If we ruin the earth, there is no place else to go.
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Advances in medicine and agriculture have saved vastly more lives than have been lost in all the wars in history.
CARL SAGAN