καὶ τὸ σιγᾶν πολλάκις ἐστὶ σοφώτατον ἀνθρώπῳ νοῆσαι → and silence is often the wisest thing for a man to heed, and often is man's best wisdom to be silent, and often keeping silent is the wisest thing for a man to heed
P. and V. πρᾶγμα, τό, πρᾶξις, ἡ, ἔργον, τό, Ar. and V. πρᾶγος, τό, V. ἔργμα, τό.
in deed, as opposed to word: P. and V. ἔργῳ, V. ἔργοις.
legal document: Ar. and P. γράμματα, τά, γραμματεῖον, τό.