ἐν τυφλῶν πόλεϊ γλαμυρός βασιλεύει → in the land of the blind, the one-eyed man is king
Ar. and P. ἱλαρός (Xen.), P. εὔθυμος, P. and V. περιχαρής.
high-spirited: Ar. and P. νεανικός.