τὸ ἀγαθὸν αἱρετόν· τὸ δ' αἱρετὸν ἀρεστόν· τὸ δ' ἀρεστὸν ἐπαινετόν· τὸ δ' ἐπαινετὸν καλόν → what is good is chosen, what is chosen is approved, what is approved is admired, what is admired is beautiful
inf. ao.2 Moy. au sens Pass. de πέρθω.
πέρθαι: эп. inf. aor. 2 med.-pass. к πέρθω.