"Sir," said the sleek-looking agent, approaching the desk of the meek, meaching-looking man and opening one of those folding thingumjigs showing styles of binding, "I believe I can interest you in this massive set of books containing the speeches of the world's greatest orators. Seventy volumes, one dollar down and one dollar a month until the price, six hundred and eighty dollars has been paid. This set of books gives you the most celebrated speeches of the greatest talkers the world has ever known and - "
"Let me see the index," said the meek man.
The agent handed it to him and he looked through it carefully and methodically, running his finger along the list of names.
Reaching the end he handed the index back to the agent and said: "It isn't what you claim it is. I happen to know the greatest talker in the world, and you haven't her in the index."