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
εὔηθες: τό Thuc. = εὐήθεια 1.
span class="gloss" style="font-style: italic;">simplicitas honesty, sincerity 3.83.1.