σιγή ποτ' ἐστὶν αἱρετωτέρα λόγου → sometimes silence is preferable to words (Menander)
thorn: P. and V. θάμνος, ὁ, Ar. and V. ἄκανθα, ἡ (Soph., Fragment), παλίουρος, ὁ (Euripides, Cyclops 394).
