Knowing a great deal is not the same as being smart; intelligence is not information alone but also judgement, the manner in which information is coordinated and used.
CARL SAGANOne of the great commandments of science is: Mistrust arguments from authority.
More Carl Sagan Quotes
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The price we pay for anticipation of the future is anxiety about it.
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Advances in medicine and agriculture have saved vastly more lives than have been lost in all the wars in history.
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I think the health of our civilization, the depth of our awareness about the underpinnings of our culture and our concern for the future can all be tested by how well we support our libraries.
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A galaxy is composed of gas and dust and stars – billions upon billions of stars. Every star may be a sun to someone.
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If you wish to make an apple pie from scratch, you must first invent the universe.
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Science 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.
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Science is a way to not fool ourselves.
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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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You are worth about 3 dollars worth in chemicals.
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The universe seems neither benign nor hostile, merely indifferent.
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The notion that science and spirituality are somehow mutually exclusive does a disservice to both.
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I would suggest that science is, at least in my part, informed worship.
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Books permit us to voyage through time, to tap the wisdom of our ancestors.
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Arguments from authority carry little weight, authorities have made mistakes in the past. They will do so again in the future. Perhaps a better way to say it is that in science there are no authorities; at most, there are experts.
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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.
CARL SAGAN