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
inf. ao. de πείθω.
πεῖσαι: inf. aor. к πείθω.
πεῖσαι inf. aor. act. van πείθω.
