The most evident difference between man and animals is this: the beast, in as much as it is largely motivated by the senses and with little perception of the past or future, lives only for the present. But man, because he is endowed with reason by which he is able to perceive relationships, sees the causes of things, understands the reciprocal nature of cause and effect, makes analogies, easily surveys the whole course of his life, and makes the necessary preparations for its conduct.

For surely to be wise is the most desirable thing in all the world.

Rashness is the companion of youth, prudence of old age.

Slowly and imperceptibly old age comes creeping on.

For books are more than books, they are the life, the very heart and core of ages past, the reason why men worked and died, the essence and quintessence of their lives.

A dissolute and intemperate youth hands down the body to old age in a worn-out state.

Who doesn't know that the first law of history is not to dare to say anything false, and the second is not to refrain from saying anything true?