History of the Peloponnesian War

We then, as is suitable for us, and as our need induces us to do, entreat you, with invocations to the gods who are worshipped at the same altar, and by all the Greeks in common, that we may prevail on you in these things; pleading the oaths which your fathers swore, we pray that you will not be unmindful of them: we beseech you by your fathers' tombs, and appeal for aid to the dead, that we may not come under the power of the Thebans, nor those who are dearest to them be given up to those who are most hateful. We remind you, too, of that day on which we performed the most glorious things in their company, and yet now on this day are in danger of suffering the most dreadful.