“The greatest pleasure I know is to do something by stealth and have it found out by accident”

“My unconscious knows more about the consciousness of the psychologist than his consciousness knows about my unconscious”

“The more I see of the representatives of the people, the more I admire my dogs”

“No one ever regarded the First of January with indifference. It is that from which all date their time, and count upon what is left. It is the nativity of our common Adam”

“In everything that relates to science, I am a whole Encyclopaedia behind the rest of the world.”

“A person reveals his character by nothing so clearly as the joke he resents”