Chapter X.

Natural philosophy, then, continued from Thales until Archelaus. Socrates was the hearer of this (latter philosopher). There are, however, also very many others, introducing various opinions respecting both the divinity and the nature of the universe; and if we were disposed to adduce all the opinions of these, it would be necessary to compose a vast quantity of books. But, reminding the reader of those whom we especially ought--who are deserving of mention from their fame, and from being, so to speak, the leaders to those who have subsequently framed systems of philosophy, and from their supplying them with a starting-point towards such undertakings--let us hasten on our investigations towards what remains for consideration.