Those who believe that all virtue is to be found in their own party principles push matters to extremes; they do not consider that disproportion destroys a state.

The rattle is a toy suited to the infant mind, and education is a rattle or toy for children of larger growth.

But what is happiness? If we consider what the function of man is, we find that happiness is a virtuous activity of the soul.

The soul suffers when the body is diseased or traumatized, while the body suffers when the soul is ailing.

It is clear, then, that the earth must be at the centre and immovable, not only for the reasons already given, but also because heavy bodies forcibly thrown quite straight upward return to the point from which they started, even if they are thrown to an infinite distance. From these considerations then it is clear that the earth does not move and does not lie elsewhere than at the centre.

To give away money is an easy matter and in any man's power. But to decide to whom to give it and how large and when, and for what purpose and how, is neither in every man's power nor an easy matter.

Melancholy men, of all others, are the most witty.