For it is not necessary that hypotheses should be true, or even probable; it is enough if they provide a calculus which agrees with the observations.
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"In the midst of all dwells the Sun. For who indeed could place this lamp of a better position in this most beautiful temple, than that from which it can at once illuminate all?"
"The earth has a spherical shape, for it is bounded on all sides by the circumference of a circle."
"And if the earth were to stand still, the appearance of the heavens would be very different."
"When, therefore, I had long considered the uncertainty of the traditional mathematical doctrines concerning the order of the spheres of the universe, I began to be annoyed that no more accurate explan…"
"There may be babblers, wholly ignorant of mathematics, who dare to condemn my hypothesis, upon the authority of some part of the Bible twisted to suit their purpose. I value them not, and scorn their …"
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