History of the Peloponnesian War

In short, it is impossible [to remedy the evil], and the man is very simple who thinks, that when human nature is eagerly set on doing a thing, he has any means of diverting it, either by the rigour of laws, or any other kind of terror.

"We must not, then, either take bad counsel through trusting to the punishment of death as a thing to be relied on, or leave to those who have revolted no hope of being allowed to change their minds, and wipe out their offence in as short a time as possible.

For consider that at present, if any city, even after revolting, find that it will not succeed, it would come to terms while it has still means of refunding the expenses, and of paying tribute in future. But in the other case, which of then, think you, would not make better preparations for the attempt than they do now, and hold out against its besiegers to the utmost, if it is all one whether it surrender slowly or quickly?