History of the Peloponnesian War

They were not then, they said, violating their oaths to the allies by refusing to accede to the treaty with the Athenians; for since they had sworn to their Thrace-ward friends, with appeals to the gods, they should not show a proper regard for their oaths, if they betrayed them. Besides, it had been expressly mentioned,

unless there were some impediment on the part of gods or heroes;

this, then, they considered an impediment on the part of the gods. Thus much they said on the subject of their former oaths: with regard to the Argive alliance, they would consult with their friends, and do whatever was right.

So the envoys of the Lacedaemonians returned home. But there happened to be in Corinth at that time some ambassadors from the Argives also, who urged the Corinthians to enter at once into their confederacy, and not delay. They, however, told them to come to the next congress which was to be held in their city.