"The trouble with the world is that the intelligent people are full of doubts, while the stupid ones are full of confidence."

"Three passions, simple but overwhelmingly strong, have governed my life: the longing for love, the search for knowledge, and unbearable pity for the suffering of mankind."

"Do not fear to be eccentric in opinion, for every opinion now accepted was once eccentric."

"I hate being all tidy like a book in a library where nobody reads – prison is horribly like that."

"It is a misfortune for a man to have too much money and too little education."