"The only difference between a madman and me is that I am not mad."

"The only way to be happy is to be unhappy."

"A man's face as a rule says more, and more interesting things, than his mouth, for it is a compendium of everything his mouth will ever say, in that it is the monogram of all this man's thoughts and a…"

"Religion is the masterpiece of the art of animal training, for it trains people as to how they shall think."

"If children were brought into the world by an act of pure reason, would the human race exist? Would not everyone rather have so much sympathy with the coming generation as to spare it the burden of ex…"