History of the Peloponnesian War

for one who has been needlessly injured is more dangerous if he escape than an avowed enemy who expects to give and take. “Do not, then, be traitors to your own cause, but recalling as nearly as possible how you felt when they made you suffer and how you would then have given anything to crush them, now pay them back. Do not become tender-hearted at the sight of their present distress, nor unmindful of the danger that so lately hung over you, but chastise them as they deserve, and give to your other allies plain warning that whoever revolts shall be punished with death. For if they realise this, the less will you have to neglect your enemies and fight against your own allies.”