Between knowledge of what really exists and ignorance of what does not exist lies the domain of opinion. It is more obscure than knowledge, but clearer than ignorance.

Great parts produce great vices as well as virtues.

Of all the things of a man's soul which he has within him, justice is the greatest good and injustice the greatest evil.

One of the penalties for refusing to participate in politics is that you end up being governed by your inferiors.

One man cannot practice many arts with success.

For a poet is an airy thing, winged and holy, and he is not able to make poetry until he becomes inspired and goes out of his mind and his intellect is no longer in him.

For good nurture and education implant good constitutions.