νέῳ δὲ σιγᾶν μᾶλλον ἢ λαλεῖν πρέπει → it's fitting for a young man to keep silence rather than to speak (Menander)
o Ismene joined to me in sisterhood: V. ὦ κοινὸν αὐτάδελφον Ἰσμήνης κάρα (Soph., ant. 1).