Ask at the forum if you have an Ancient or Modern Greek query!
Ξένον ἀδικήσῃς μηδέποτε καιρὸν λαβών → Occasione laedito nulla hospitem → Tu keinem Fremden Unrecht trotz Gelegenheit
reticent: P. κρυψίνους (Xen.).
silent: V. σιγηλός, σιωπηλός.