Note 140 — Chapter XI · THE KINGDOM OF THE SOUL.
Reading edition
εἰ οὖν διαμένουσιν αἱ ψυχαί, δαίμοσιν αἱ αὐταὶ γίγνονται Sext. as in note 138; φασὶ δὲ εἶναι καί τινας δαίμονας καὶ ἤρωας, τὰς ὑπολελειμμένας τῶν σπουδαίων ψυχάς Diog. L. vii 151; ‘plenus [est] aer immortalium animorum’ Cic. Div. i 30, 64, quoting from Posidonius.