History of the Peloponnesian War

And for this reason they ought not to shrink from passing to war instead of pence For it is the part of prudent men, indeed, to remain quiet, should they not be injured; but of brave men, when injured, to go from peace to war; and when a good opportunity offers, to come to an understanding again from hostilities; and neither to be elated by their success in war, nor to brook injury through being charmed with the quiet of peace.