We are what we repeatedly do. Excellence then is a habit.

Be of good hope in the face of death. Believe in this one truth for certain, that no evil can befall a good man either in life or death, and that his fate is not a matter of indifference to the gods.

The really important thing is not to live, but to live well. And to live well meant, along with more enjoyable things in life, to live according to your principles.

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.

I only know that I know nothing

Awareness of ignorance is the beginning of wisdom.

Man must rise above the Earth - to the top of the atmosphere and beyond - for only thus will he fully understand the world in which he lives.