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
pron.
P. and V. ὅστις, ὃς ἄν (with subj.), ὅστις ἄν (with subj.), Ar. and P. ὁστισοῦν, ὅστις περ, P. ὁστισδήποτε, ὁστισδηποτοῦν.