Not life, but good life, is to be chiefly valued." "It is not living that matters, but living rightly. The unexamined life is not worth living.

If you will take my advice you will think little of Socrates, and a great deal more of truth.

The rest of the world lives to eat, while I eat to live.

The hardest task needs the lightest hand or else its completion will not lead to freedom but to a tyranny much worse than the one it replaces.

I was really too honest a man to be a politician and live.

Improve yourself by other men's writings thus attaining effortlessly what they acquired through great difficulty.

No citizen has any right to be an amateur in the matter of physical training; it is part of his profession as a citizen to keep himself in good condition... [It is] a disgrace for a man to grow old without seeing the beauty and the strength of which his body is capable.