"It is not by the force of reason that we have adopted religion, but by the force of habit."

"The only good thing in life is to be able to choose one's friends."

"Men are so necessarily mad, that not to be mad would be to be a madman of another kind of madness."

"All of humanity's problems stem from man's inability to sit quietly in a room alone."

"The more I see of men, the more I love my dog."