Τὸ γὰρ περισσὰ πράσσειν οὐκ ἔχει νοῦν οὐδένα → There is no sense in doing things beyond the usual measure
P. and V. ἐπιστολή, ἡ, or pl., γράμματα, τά, γραφή, ἡ, or pl.
