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3In respect of natural philosophy Thales the Milesian, Anaxagoras of Clazomenæ, Pythagoras the Samian, Xenophanes of Colophon Democritus the Abderite, have published systems which explain the mode in which Nature is regulated, and how every effect is produced. Eudoxus, Endæmon, Callippus, Melo, Philip, Hipparchus, Aratus, and others, following in the steps of the preceding, found, by the use of instruments, the rising and setting of the stars and the changes of the seasons, and left treatises thereon for the use of posterity. Their learning will be admired by mankind, because, added to the above, they appear as if by divine inspiration to have foretold the weather at particular seasons of the year. For a knowledge of these matters reference must therefore be made to their labours and investigation.
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