“Two possibilities exist: Either we are alone in the Universe or we are not. Both are equally terrifying.”

—  Arthur C. Clarke

As quoted in Visions : How Science Will Revolutionize the Twenty-First Century (1999) by Michio Kaku, p. 295
2000s and attributed from posthumous publications

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Arthur C. Clarke207
British science fiction writer, science writer, inventor, u… 1917–2008

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