Exploration is in our nature. We began as wanderers, and we are wanderers still. We have lingered long enough on the shores of the cosmic ocean. We are ready at last to set sail for the stars.
CARL SAGANWriting is the greatest of human inventions, binding together people, citizens of distant epochs, who never knew one another.
More Carl Sagan Quotes
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You have to know the past to understand the present.
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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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An atheist is someone who is certain that God does not exist, someone who has compelling evidence against the existence of God.
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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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Extraordinary claims require extraordinary evidence.
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One of the greatest gifts adults can give – to their offspring and to their society – is to read to children.
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If we ruin the earth, there is no place else to go.
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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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The Earth is the only world known so far to harbor life.
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We are like butterflies who flutter for a day and think it is forever.
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We live on a mote of dust suspended in a sunbeam.
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Nature is unsentimental. Death is built in.
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I don’t want to believe. I want to know.
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For small creatures such as we the vastness is bearable only through love.
CARL SAGAN