History of the Peloponnesian War

Thus the treaty and the alliance were completed; but the treaty between the Lacedaemonians and Athenians was not on this account renounced by either party.

The Corinthians, however, although allies of the Argives, did not accede to the new treaty—even before this when an alliance, offensive and defensive, had been made between the Eleans, Argives, and Mantineans, they had not joined it—but said they were content with the first defensive alliance that had been made, namely to aid one another, but not to join in attacking any other party.

Thus, then, the Corinthians held aloof from their allies and were turning their thoughts again to the Lacedaemonians.