Nature is unsentimental. Death is built in.
CARL SAGANOther things being equal, it is better to be smart than to be stupid.
More Carl Sagan Quotes
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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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The only thing we’ve found that makes the emptiness bearable, is each other.
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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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I don’t want to believe. I want to know.
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Extinction is the rule. Survival is the exception.
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If we continue to accumulate only power and not wisdom, we will surely destroy ourselves.
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If we ruin the earth, there is no place else to go.
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We are like butterflies who flutter for a day and think it is forever.
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You have to know the past to understand the present.
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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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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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One of the great commandments of science is: Mistrust arguments from authority.
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For small creatures such as we the vastness is bearable only through love.
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And you are made of a hundred trillion cells. We are, each of us, a multitude.
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People are not stupid. They believe things for reasons.
CARL SAGAN