“Our loyalties are to the species and the planet. We speak for Earth. Our obligation to survive and flourish is owed not just to ourselves, but also to that Cosmos, ancient and vast, from which we spring.”

—  Carl Sagan

54 min 25 sec
Cosmos: A Personal Voyage (1990 Update), Who Speaks for Earth? [Episode 13]

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American astrophysicist, cosmologist, author and science ed… 1934–1996

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Cosmos: A Personal Voyage (1990 Update), Who Speaks for Earth? [Episode 13]
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