That historians should give their own country a break, I grant you; but not so as to state things contrary to fact. For there are plenty of mistakes made by writers out of ignorance, and which any man finds it difficult to avoid. But if we knowingly write what is false, whether for the sake of our country or our friends or just to be pleasant, what difference is there between us and hack writers? Readers should be very attentive to and critical of historians, and they in turn should be constantly on their guard.
PolybiusThose who know how to win are much more numerous than those who know how to make proper use of their victories.
PolybiusWe can profit only by our own misfortunes and those of others. The former, though they may be the more beneficial, are also the more painful; let us turn, then, to the latter.
Polybius