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
tessella: ae, f.
dim. tessera,
I a small square piece of stone, a little cube, for pavements, etc., Sen. Q. N. 6, 31, 2; Juv. 11, 132; Plin. 37, 10, 54, § 144; 17, 16, 26, § 120; Inscr. Oreil. 4316.