We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology.
CARL SAGANOne of the great commandments of science is: Mistrust arguments from authority.
More Carl Sagan Quotes
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We live on a mote of dust suspended in a sunbeam.
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Perhaps the depth of love can be calibrated by the number of different selves that are actively involved in a given relationship.
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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.
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The Earth is a very small stage in a vast cosmic arena.
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If we continue to accumulate only power and not wisdom, we will surely destroy ourselves.
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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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Except in pure mathematics, nothing is known for certain (although much is certainly false).
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We are like butterflies who flutter for a day and think it is forever.
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For small creatures such as we the vastness is bearable only through love.
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The universe is not required to be in perfect harmony with human ambition.
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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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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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Stars are phoenixes, rising from their own ashes.
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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.
CARL SAGAN