When we remember we are all mad, the mysteries disappear and... - Mark Twain

"Education: the path from cocky ignorance to miserable uncertainty."

"Kindness is a language which the deaf can hear and the blind can see."

"Don't go around saying the world owes you a living. The world owes you nothing. It was here first."

"A successful book is not made of what is in it, but what is left out of it."

"The easy confidence with which I know another man's religion is folly teaches me to suspect that my own is also."