Before all it's necessary to look after the Soul, if you want the head and the rest of the body to function correctly.

A man who really fights for justice must lead a private, not a public, life if he is to survive for even a short time.

It is proper for every one to consider, in the case of all men, that he who has not been a servant cannot become a praiseworthy master; and it is meet that we should plume ourselves rather on acting the part of a servant properly than that of the master, first, towards the laws, (for in this way we are servants of the gods), and next, towards our elders.

Tyranny naturally arises out of democracy.

A man is not learned until he can read, write and swim.

Virtue is voluntary, vice involuntary.

The science [geometry] is pursued for the sake of the knowledge of what eternally exists, and not of what comes for a moment into existence, and then perishes.