ἄγνοια τοῦ συνισταμένου καὶ φυομένου κακοῦ
From LSJ
αὐτάρκης ἔσῃ, ἂν μάθῃς τί τὸ καλὸν κἀγαθόν ἐστι → you will be contented with your lot if you learn what the honourable and good is
English > Greek (Woodhouse Quotes Reversed)
ignorance of the trouble brewing and gathering to a head, ignorance of the trouble gathering and coming to a head