Quote from : The History of the Peloponnesian War Book

And yet, Lacedaemonians, you still delay, and fail to see that peace stays longest with those, who are not more careful to use their power justly than to show their determination not to submit to injustice. On the contrary, your ideal of fair dealing is based on the principle that, if you do not injure others, you need not risk your own fortunes in preventing others from injuring you.