If the art of ship-building were in the wood, ships would exist by nature.

No state will be well administered unless the middle class holds sway.

If happiness, then, is activity expressing virtue, it is reasonable for it to express the supreme virtue, which will be the virtueof the best thing.

The male has more teeth than the female in mankind, and sheep and goats, and swine. This has not been observed in other animals. Those persons which have the greatest number of teeth are the longest lived; those which have them widely separated, smaller, and more scattered, are generally more short lived.

Hippocrates is an excellent geometer but a complete fool in everyday affairs.

The science that studies the supreme good for man is politics.

One kind of justice is that which is manifested in distributions of honour or money or the other things that fall to be divided among those who have a share in the constitution ... and another kind is that which plays a rectifying part in transactions.