νᾶφε καὶ μέμνασ' ἀπιστεῖν → keep a clear head and remember not to believe a thing (Epicharmus fr. 250)
δύσπεπτος, ἀπέπαντος, ἄπεπτος, ἀτελής, ἀνήδυντος, ἀνήδυστος, ἀνήδυστος, ἀπέπειρος