We 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.
PolybiusFrom this I conclude that the best education for the situations of actual life consists of the experience we acquire from the study of serious history. For it is history alone which without causing us harm enables us to judge what is the best course in any situation or circumstance.
PolybiusThose who know how to win are much more numerous than those who know how to make proper use of their victories.
PolybiusThe particular aspect of history which both attracts and benefits its readers is the examination of causes and the capacity, which is the reward of this study, to decide in each case the best policy to follow. Now in all political situations we must understand that the principle factor which makes for success or failure is the form of a state's constitution: it is from this source, as if from a fountainhead, that all designs and plans of action not only originate but reach their fulfillment.
PolybiusThat 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.
Polybius