ἐν ἀμαθίᾳ μολύνεσθαι

From LSJ

Δαρείου καὶ Παρυσάτιδος γίγνονται παῖδες δύο → of Darius and Parysatis there are born two children

Source

Greek > English (Woodhouse)

be sunk in ignorance, wallow in ignorance