We must infer that all things are produced more plentifully and easily and of a better quality when one man does one thing which is natural to him and does it at the right time, and leaves other things.

Let him know how to choose the mean and avoid the extremes on either side, as far as possible. . . . For this is the way of happiness.

Hardly any human being is capable of pursuing two professions or two arts rightly.

Man is a prisoner who has no right to open the door of his prison and run away... A man should wait, and not take his own life until God summons him.

One man cannot practice many arts with success.

Wine fills the heart with courage.

The principles are important. First, the interest of the state or society counts for everything, that of the individual for nothing. Second, the only difference between men and women is one of physical function- one begets, the other bears children. Apart from that, they both can and should perform the same functions - though men on a whole, perform them better and should receive the same education to enable them to do so; for in this way society will get the best value from both.