Kitap 7
1.131
It is also their doctrine that amongst the wise there should be a community of wives with free choice of partners, as Zeno says in his Republic and Chrysippus in his treatise On Government [and not only they, but also Diogenes the Cynic and Plato].The words in brackets read like a marginal note, afterwards inserted in the text. Under such circumstances we shall feel paternal affection for all the children alike, and there will be an end of the jealousies arising from adultery. The best form of government they hold to be a mixture of democracy, kingship, and aristocracy (or the rule of the best).
1.131
Such, then, are the statements they make in their ethical doctrines, with much more besides, together with their proper proofs: let this, however, suffice for a statement of them in a summary and elementary form.
1.132
Their physical doctrine they divide into sections (1) about bodies; (2) about principles; (3) about elements; (4) about the gods; (5) about bounding surfaces and space whether filled or empty. This is a division into species; but the generic division is into three parts, dealing with (i.) the universe; (ii.) the elements; (iii.) the subject of causation.
1.132
The part dealing with the universe admits, they say, of division into two: for with one aspect of it the mathematicians also are concerned, in so far as they treat questions relating to the fixed stars and the planets, e.g. whether the sun is or is not just so large as it appears to be, and the same about the moon, the question of their revolutions, and other inquiries of the same sort. But there is another aspect or field of cosmologicalαὐτοῦ τοῦ κόσμου. inquiry, which belongs to the physicists alone:
