The brain is like a muscle. When it is in use we feel very good. Understanding is joyous.
CARL SAGANExtinction is the rule. Survival is the exception.
More Carl Sagan Quotes
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People are not stupid. They believe things for reasons.
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Better the hard truth, I say, than the comforting fantasy.
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Books break the shackles of time, proof that humans can work magic.
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One of the great commandments of science is: Mistrust arguments from authority.
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The price we pay for anticipation of the future is anxiety about it.
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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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If you wish to make an apple pie from scratch, you must first invent the universe.
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To live in the hearts we leave behind is to live forever.
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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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Imagination will often carry us to worlds that never were, but without it we go nowhere.
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If we continue to accumulate only power and not wisdom, we will surely destroy ourselves.
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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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I don’t want to believe. I want to know.
CARL SAGAN







