Justice has no independent existence; it results from mutual contracts, and establishes itself wherever there is a mutual engagement to guard against doing or sustaining mutual injury.

The acquisition of riches has been for many men, not an end, but a change, of troubles.

Freedom is the greatest fruit of self sufficiency.

It is impossible for someone to dispel his fears about the most important matters if he doesn't know the nature of the universe but still gives some credence to myths. So without the study of nature there is no enjoyment of pure pleasure.

All friendship is desirable in itself, though it starts from the need of help

To eat and drink without a friend is to devour like the lion and the wolf.

Nothing is sufficient for the person who finds sufficiency too little