History of the Peloponnesian War

Whereas indeed, though they were guilty, yet we ought to dissemble it, to the end that the only party now our friend may not become our enemy.

And for the assuring of our dominion, I think it far more profitable voluntarily to put up an injury than justly to destroy such as we should not. And that same both justice and profit of revenge, alleged by Cleon, can never possibly be found together in the same thing.