"The greatest good you can do for another is not just to share your riches but to reveal to him his own."

"I am firmly convinced that the better we know the world, the less we shall be inclined to believe in God and immortality."

"I am not a Christian. I do not believe in God or immortality."

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

"It is a platitude that a man cannot be happy unless he is healthy."