DA gre, ed. W.D.Ross,τοῦτο δʼὅτι ἀδύνατον, οὐθὲν δεῖ λέγειν· τίς γὰρ ἄν ἀπορήσειεν εἰ ἔνεστιν ἐν τῇ ψυχῇ λίθος ἢ ἄνθρωπος; ὁμοίως δὲ καὶ τὸ ἀγαθὸν καὶ τὸ μὴ ἀγαθόν· τὸν αὐτὸν δὲ τρόπον καὶ περὶ τῶν ἄλλων.
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