History of the Peloponnesian War

For else they would never have taken Corcyra and holden it from us by force, nor have besieged Potidaea, whereof the one was most commodious for any action against Thrace, and the other had brought unto the Peloponnesians a most fair navy.

"And of all this you are yourselves the authors, in that you suffered them upon the end of the Persian war to fortify their city and again afterwards to raise their long walls, whereby you have hitherto deprived of their liberty not only the states by them already subdued but also your own confederates. For not he that bringeth into slavery, but he that being able to hinder it neglects the same is most truly said to do it, especially if they assume the honour to be esteemed the deliverers of Greece [as you do].

And for all that, we are hardly yet come together, and indeed not yet with any certain resolution what to do. For the question should not have been put whether or not we have received injury, but rather in what manner we are to repair it. For they that do the wrong, having consulted upon it beforehand, use no delay at all but come upon them whom they mean to oppress whilst they be yet irresolute.