6
Yes surely, said Pharnaces, being in its proper and natural place, the very middle and centre of the universe. For this it is to which all heavy and ponderous things do from every side naturally tend, incline, and aspire, and about which they cling and are counterpoised. But every superior region, though it may perhaps receive some earthly and weighty thing sent by violence up into it, immediately repels and casts it down again by force, or (to speak better) lets it follow its own proper inclination, by which it naturally tends downwards.
7
For the refutation of which, being willing to give Lucius time for the calling to mind his arguments, I addressed myself to Theon, and asked him which of the tragic poets it was who said that physicians With bitter med’cines bitter choler purge.