Asked Where He Came From, He Said,

I Am Not An Athenian Or A Greek, But A Citizen Of The World.

Calumny Is Only The Noise Of Madmen.

It Is Not That I Am Mad, It Is Only That My Head Is Different From Yours.

Dogs And Philosophers Do The Greatest Good And Get The Fewest Rewards.

To Become Self-educated You Should Condemn Yourself For All Those Things That You Would Criticize Others.