...And then there was a time when a part of mankind was certain that a long long time ago, there was nothing.
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And then there was a time when something came from nothing.
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And then there was a time when people claimed that something can't come from nothing.
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And then there was a time when people made up "god", who created something (read everything), although there apparently was nothing.
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And then there was a time when "god" was nothing (or everything), and probably still is.