μή μοι θεοὺς καλοῦσα βουλεύου κακῶς· πειθαρχία γάρ ἐστι τῆς εὐπραξίας μήτηρ, γυνὴ Σωτῆρος· ὦδ᾽ ἔχει λόγος → When you invoke the gods, do not be ill-advised. For Obedience is the mother of Success, wife of Salvation—as the saying goes.
P. and V. ἄρρητος, ἀπόρρητος, P. ἀμύθητος, V. ἄφραστος.
indescribable: P. ἀμύθητος, P. and V. κρείσσων λόγου, Ar. οὐ φατός, Ar. and V. ἀνωνόμαστος.
extraordinary: P. and V. ἀμήχανος.