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.
There is a certain virtue in every good man, which night and day stirs up the mind with the stimulus of glory, and reminds it that all mention of our name will not cease at the same time with our lives, but that our fame will endure to all posterity.
For every man's nature is concealed with many folds of disguise, and covered as it were with various veils. His brows, his eyes, and very often his countenance, are deceitful, and his speech is most commonly a lie.
What greater or better gift can we offer the republic than to teach and instruct our youth?
[Lat., Quod enim munus reiplicae afferre majus, meliusve possumus, quam si docemus atque erudimus juventutem?]
Everyone has the obligation to ponder well his own specific traits of character. He must also regulate them adequately and not wonder whether someone else's traits might suit him better. The more definitely his own a man's character is, the better it fits him.
O philosophy, life's guide! O searcher-out of virtue and expeller of vices! What could we and every age of men have been without thee? Thou hast produced cities; thou hast called men scattered about into the social enjoyment of life.
[Lat., O vitae philosophia dux! O virtutis indagatrix, expultrixque vitiorum! Quid non modo nos, sed omnino vita hominum sine et esse potuisset? Tu urbes peperisti; tu dissipatos homines in societatum vitae convocasti.]