It all began with Adam. He was the first man to tell a joke- or a lie. How lucky Adam was. He knew when he said a good thing, nobody had said it before. Adam was not alone in the Garden of Eden, however, and does not deserve all the credit; much is due to Eve, the first woman, and Satan, the first consultant.

source: Mark Twain, Notebook, 1867 tags: Originality, Experts