κορυδός ἐν ἀμούσοις φθέγγεται → a lark sings amid the songless | in the land of the blind, the one-eyed man is king | in the country of the blind, the one-eyed man is king | in the valley of the blind, the one-eyed man is king
P. and V. ἀβουλία, ἡ, Ar. and V. δυσβουλία, ἡ; see folly, rashness.