History of the Peloponnesian War

In this way were the treaty and alliances concluded; and yet that between the Lacedaemonians and Athenians was not renounced on this account by either party.

But though the Corinthians were allies of the Argives, they did not accede to the new treaty. Nay, before this time, when an alliance was formed between the Eleans, Argives, and Mantineans, to be at war and peace with the same states, they did not join the league, but said that they were content with the first alliance which had been made for purposes of defence, on condition of succouring one another, but not joining to attack any party.

The Corinthians, then, thus stood aloof from their allies, and turned their thoughts again towards the Lacedaemonians.