History of the Peloponnesian War

For of the gods we hold the belief, and of men we know, that by a necessity of their nature wherever they have power they always rule. And so in our case since we neither enacted this law nor when it was enacted were the first to use it, but found it in existence and expect to leave it in existence for 167 all time, so we make use of it, well aware that both you and others, if clothed with the same power as we are, would do the same thing.