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    Carl Sagan

    "All civilizations become either spacefaring or extinct."

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    Arthur C. Clarke

    "Any sufficiently advanced technology is indistinguishable from magic."

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    R. Buckminster Fuller

    "We are called to be architects of the future, not its victims."

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    William Gibson

    "The future is here. It's just not widely distributed yet."

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    Michael Collins

    "Houston, Apollo 11 . . . I've got the world in my window."

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    Stephen Hawking

    ‎"Our only chance of long-term survival is...to spread out into space."

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    James S. McDonnell

    "The creative conquest of space will serve as a wonderful substitute for war."

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    Robert A. Heinlein

    "Earth is just too small and fragile a basket for mankind to keep all its eggs in."

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    Elon Musk

    "The extension of life beyond Earth is the most important thing we can do as a species."