From LSJ

ὦ ξεῖν', ἀγγέλλειν Λακεδαιμονίοις ὅτι τῇδε κείμεθα τοῖς κείνων ῥήμασι πειθόμενοι → go tell the Spartans, stranger passing by, that here, obedient to their laws, we lie | go tell the Spartans, thou that passest by, that here obedient to their words we lie

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