History of the Peloponnesian War

For with them alone is it the same thing to hope for and to attain when once they conceive a plan, for the reason that they swiftly undertake whatever they determine upon. In this way they toil, with hardships and dangers, all their life long; and least of all men they enjoy what they have because they are always seeking more, because they think their only holiday is to do their duty, and because they regard untroubled peace as a far greater calamity than laborious activity.

Therefore if a man should sum up and say that they were born neither to have peace themselves nor to let other men have it, he would simply speak the truth.

"And yet, although you have such a state ranged against you, O Lacedaemonians, you go on delaying and forget that a peaceful policy suffices long only for those who, while they employ their military strength only for just ends, yet by their spirit show plainly that they will not put up with it if they are treated with injustice; whereas you practise fair dealing on the principle of neither giving offence to others nor exposing yourselves to injury in self-defence.l But it would be difficult to carry out such a policy successfully if you had as neighbour a state just like yourselves;

whereas now, as we have just shown, your practices are old-fashioned as compared with theirs.