We are the sum of all the moments of our lives — all that is ours is in them: we cannot escape or conceal it. If the writer has used the clay of life to make his book, he has only used what all men must, what none can keep from using. Fiction is not fact, but fiction is fact selected and understood, fiction is fact arranged and charged with purpose. Dr. Johnson remarked that a man would turn over half a library to make a single book: in the same way, a novelist may turn over half the people in a town to make a single figure in his novel.