νᾶφε καὶ μέμνασ' ἀπιστεῖν → keep a clear head and remember not to believe a thing (Epicharmus fr. 250)
δυσμεταστρέπτως: ἑρμην. τοῦ ἀσκελέως, Ἀπολλ. Λεξ. Ὁμ.
inflexibelmente, inflexiblemente