History of the Peloponnesian War

Therefore, when they suffered worse things under the Medes' dominion, they bore it, but think ours to be rigorous. And good reason, for to men in subjection the present is ever the worst estate.

Insomuch as you also, if you should put us down and reign yourselves, you would soon find a change of the love which they bear you now for fear of us if you should do again as you did for awhile when you were their commanders against the Medes. For not only your own institutions are different from those of others, but also when any one of you comes abroad [with charge], he neither useth those of yours nor yet those of the rest of Greece.