infinite-universe cosmologies, physicists could attribute any event to chance—to a statistically improbable quantum fluctuation that nevertheless had to occur eventually (and an infinite number of times) in any one of an infinite number of possible universes. This means, assuming such a cosmology, that an exquisitely designed machine or an intricately crafted piece of poetry is just as likely to have been produced by random fluctuations in the quantum vacuum as by an intelligent human being. It also means that natural phenomena such as earthquakes are just as likely to have resulted from a
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