Prefer knowledge to wealth, for the one is transitory, the other perpetual.
The greatest blessing granted to mankind come by way of madness, which is a divine gift.
Our purpose in founding the city was not to make any one class in it surpassingly happy, but to make the city as a whole as happyas possible.
Improve yourself by other men's writings thus attaining effortlessly what they acquired through great difficulty.
All men's souls are immortal, but the souls of the righteous are immortal and divine.
Are you not ashamed of heaping up the greatest amount of money and honor and reputation, and caring so little about wisdom and truth and the greatest improvement of the soul?