Now at first sight, all this evidence that the universe looks the same whichever direction we look in might seem to suggest there is something special about our place in the universe. In particular, it might seem that if we observe all other galaxies to be moving away from us, then we must be at the center of the universe. There is, however, an alternate explanation: the universe might look the same in every direction as seen from any other galaxy too. This, as we have seen, was Friedmann’s second assumption. We have no scientific evidence for, or against, this assumption. We believe it only on grounds of modesty [...]
Hawking, Stephen, A Brief History of Time, up. and exp. 10th ann. ed., New York; London; Toronto; Sydney; Auckland: Bantam Books, 1998, pp. 44-45.
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