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.

Knowing how to win is the first step. We must also know how to make use of our victories.

From 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.

When the ancients said a work well begun was half done, they meant to impress the importance of always endeavoring to make a good beginning.

The 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.

The mob is easily led and may be moved by the smallest force, so that its agitations have a wonderful resemblance to those of the sea.

In our own time the whole of Greece has been subject to a low birth rate and a general decrease of the population, owing to which cities have become deserted and the land has ceased to yield fruit, although there have neither been continuous wars nor epidemics...For as men had fallen into such a state of pretentiousness, avarice, and indolence that they did not wish to marry, or if they married to rear the children born to them, or at most as a rule but one or two of them, so as to leave these in affluence and bring them up to waste their substance, the evil rapidly and insensibly grew.