Simonides said this quote

“ O Stranger, send the news home to the people of Sparta that here weAre laid to rest: the commands they gave us have been obeyed.Ὦ ξεῖν', ἀγγέλλειν Λακεδαιμονίοις ὅτι τῇδεκείμεθα, τοῖς κείνων ῥήμασι πειθόμενοι.[Epitaph of the 300 Spartans at Thermopylae] ”