One of the great commandments of science is: Mistrust arguments from authority.
CARL SAGANFor small creatures such as we the vastness is bearable only through love.
More Carl Sagan Quotes
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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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Our species needs, and deserves, a citizenry with minds wide awake and a basic understanding of how the world works.
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The price we pay for anticipation of the future is anxiety about it.
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Nature is always more subtle, more intricate, more elegant than what we are able to imagine.
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I’ve always thought an agnostic is an atheist without the courage of his convictions.
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Any faith that admires truth, that strives to know God, must be brave enough to accommodate the universe.
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One glance at a book and you hear the voice of another person, perhaps someone dead for 1,000 years. To read is to voyage through time.
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The brain is like a muscle. When it is in use we feel very good. Understanding is joyous.
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If we continue to accumulate only power and not wisdom, we will surely destroy ourselves.
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Except in pure mathematics, nothing is known for certain (although much is certainly false).
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Be grateful everyday for the brief but magnificent opportunity that life provides.
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The absence of evidence is not evidence of absence.
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Don’t judge everyone else by your own limited experience.
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For small creatures such as we the vastness is bearable only through love.
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There are as many atoms in one molecule of DNA as there are stars in a typical galaxy.
CARL SAGAN