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which the earth revolves in an orbit, from
fantastic first principles, of which the fol-
lowing are examples: ”The circular motion
is the most perfect motion,” ”Fire is more
worthy than earth,” ”Ten is the perfect num-
ber.” He wrote nothing, but is supposed to
have said that the earth, moon, five plan-
ets, and fixed stars all revolve round the
sun, which itself revolves round an imagi-
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