Simplicity, a delicate silence about oneself, increases their worth and makes one love those whom one admires.
My strength has not equaled my mad ambition. I have remained obscure; I have done worse -- I have touched success, and allowed it to escape me.
When they are among us cats are angels
The whole secret of the study of nature lies in learning how to use one's eyes.
Genius, whether locked up in a cell or roaming at large, is always solitary.
God abandons only those who abandon themselves, and whoever has the courage to shut up his sorrow within his own heart is stronger to fight against it than he who complains.