History of the Peloponnesian War

So the Epidamnians went to Corinth, and according to the advice of the oracle, gave up their city, declaring how the first founder of it was a Corinthian, and what answer the oracle had given them; and entreated that they would not stand by and see them destroyed, but help them.

And the Corinthians undertook their defence, both on the ground of equity, (as thinking the colony no less their own than the Corcyraeans',) and also for hatred of the Corcyraeans; because, although they were their colony, they slighted them.