Accustom yourself to believe that death is nothing to us, for good and evil imply awareness, and death is the privation of all awareness; therefore a right understanding that death is nothing to us makes the mortality of life enjoyable, not by adding to life an unlimited time, but by taking away the yearning after immortality. For life has no terror; for those who thoroughly apprehend that there are no terrors for them in ceasing to live.

Never say that I have taken it, only that I have given it back.

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.

There is no such thing as justice or injustice among those beasts that cannot make agreements not to injure or be injured. This is also true of those tribes that are unable or unwilling to make agreements not to injure or be injured.

Freedom is the greatest fruit of self sufficiency.

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.

Haec ego non multis (scribo), sed tibi: satis enim magnum alter alteri theatrum sumus. I am writing this not to many, but to you: certainly we are a great enough audience for each other.