σιγή ποτ' ἐστὶν αἱρετωτέρα λόγου → sometimes silence is preferable to words (Menander)
(River) Κάϋστρος, ὁ (Xen.).
Tha Plain of Cayster: Καΰστριον πεδίον (Ar., Ach. 68), τὸ Καΰστρου πεδίον (Xen., Cyro. II. 1, 5).