Carl Sagan Quotes

All civilizations become either spacefaring or extinct.

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All civilizations become either spacefaring or extinct. (Carl Sagan)

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Carl Sagan Quotes: All civilizations become either spacefaring or extinct.
Carl Sagan Quotes: All civilizations become either spacefaring or extinct.
Carl Sagan Quotes: All civilizations become either spacefaring or extinct.
Carl Sagan Quotes: All civilizations become either spacefaring or extinct.
Carl Sagan Quotes: All civilizations become either spacefaring or extinct.
Carl Sagan Quotes: All civilizations become either spacefaring or extinct.
Carl Sagan Quotes: All civilizations become either spacefaring or extinct.
Carl Sagan Quotes: All civilizations become either spacefaring or extinct.
Carl Sagan Quotes: All civilizations become either spacefaring or extinct.
Carl Sagan Quotes: All civilizations become either spacefaring or extinct.
Carl Sagan Quotes: All civilizations become either spacefaring or extinct.
Carl Sagan Quotes: All civilizations become either spacefaring or extinct.
Carl Sagan Quotes: All civilizations become either spacefaring or extinct.
Carl Sagan Quotes: All civilizations become either spacefaring or extinct.
Carl Sagan Quotes: All civilizations become either spacefaring or extinct.

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