πρὸς τοῖς εἰρημένοις, ‘in addition to what has been said,’ i.e. ‘in addition to the charges I have already brought against them’.
φθονοῦσι τοῖς εὖ φρονοῦσι: for the παρονομασία cp. § 26 κτησαμένους . . . χρησαμένους and note.
ἁπλοῦς: like ‘simple’ in English, can be used (1) in a good sense, ‘open’, ‘guileless’, or (2) in a bad sense, ‘foolish’, ‘unintellectual’. The former is the meaning here and in N. C. 52.
τὰ σφέτερ᾽ αὐτῶν: αὐτῶν is a possessive gen. carrying on and emphasizing the possessive idea contained in σφέτερα.
λογιζόμενοι, ‘if they take thought’; dialego/menoi, ‘conversing,’ so ‘gossiping’.
τῶν ἀναγκαίων, ‘the necessary duties of life’ (like τῶν δεόντων, § 45).