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
visco: āvi, ātum, 1, v. a.,
I to smear, besmear: cum se inter articulorum conjunctiones usu commotionum viscaverit (sanies), Theod. Prisc. 2, 21: spirat et hinc miseri viscantur labra mariti, are glued, smeared, Juv. 6, 463.