ἀνάγκᾳ δ' οὐδὲ θεοὶ μάχονται → but not even gods fight necessity (Simonides, fr. 37.1.29)
P. and V. ἀμαθής, ἄμουσος, Ar. and P. ἀπαίδευτος, P. ἀγράμματος.