Richard Lederer was once asked where he would get all these funny stories he answered:
"Ever since I became a writer, I had found that questions the most difficult to answer and had only recently come up with an analogy that I thought would satisfy both my audience and me. Pouncing on the opportunity to unveil my spanking new explanation, I countered with, Where does the spider get its web? The idea, of course, was that the spider is not aware how it spins out its intricate and beautiful patterns with the silky material that is simply a natural part of itself.
Asking a writer to account for the genesis of his or her ideas is as futile as asking a spider the source of its web and method of its construction.'…