19 Quotes by Carl Sagan about earth

  • Author Carl Sagan
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    We have heard the rationales offered by the nuclear superpowers. We know who speaks for the nations. But who speaks for the human species? Who speaks for Earth?

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    #earth
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We have heard the rationales offered by the nuclear superpowers. We know who speaks for the nations. But who speaks for the human species? Who speaks for Earth?

-Carl Sagan

 

3 pages19 quotes