νέῳ δὲ σιγᾶν μᾶλλον ἢ λαλεῖν πρέπει → it's fitting for a young man to keep silence rather than to speak (Menander)
(Α ἀνεπιεικής, -ές)μη επιεικής, αυστηρός, αλύγιστος, σκληρός.