νᾶφε καὶ μέμνασο ἀπιστεῖν → keep a clear head and remember not to believe a thing (Epicharmus fr. 250)
ἀβλαβής, ἄνατος, ἀσινής, ἀκήριος, ἀάατος, ἄνοσος, ἄνουσος