ἢ δεῖ σιωπᾶν ἢ λέγειν τὰ καίρια → you should either keep silence or make timely remarks (Menander)
ugly: P. and V. δυσειδής (Plato and Sophocles, Fragment). αἰσχρός (Plato also Ar.), V. δύσμορφος, δυσπρόσοπτος; see ugly.