Those who have virtue always in their mouths, and neglect it in practice, are like a harp, which emits a sound pleasing to others, while itself is insensible of the music.
I am not an Athenian or a Greek, but a citizen of the world.
Democritus says, "But we know nothing really; for truth lies deep down".
The most beautiful thing in the world is freedom of speech.
It takes a wise man to discover a wise man.
The great thieves lead away the little thief.