Epitaph on the Cenotaph of Thermopylae

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.

Simonides of Ceos (c. 556 - 469 BC)