I know nothing but the certainty of my own ignorance.

This is...self-knowled ge-for a man to know what he knows, and what he does not know.

Let us reflect in this way, too, that there is good hope that death is a blessing, for it is one of two things: either the dead are nothing and have no perception of anything, or it is, as we are told, a change and a relocation for the soul from here to another place.

Happiness is unrepented pleasure.

One should never do wrong in return, nor mistreat any man, no matter how one has been mistreated by him.

Serenity, regularity, absence of vanity,Sincerity, simplicity, veracity, equanimity, Fixity, non-irritability, adaptability, Humility, tenacity, integrity, nobility, magnanimity, charity, generosity, purity. Practise daily these eighteen "ities" You will soon attain immortality.

To live well and honorably and justly are the same thing.