As for me, all I know is I know nothing.
Do not be angry with me if I tell you the truth
The life of which meaning one never ponders is not worth living
Laws are not made for the good.
He who is not contented with what he has, would not be contented with what he would like to have.
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.