" Did you hear about the middle Eastern potentate?" he asked me. "This potentate called a meeting of the wise men in the kingdom, and said, "I want you to gather all the world's knowledge together in one place so that my sons can read it and learn."The wise men went off, and after year, they came back with twenty-five volumes of knowledge. This potentate looked at it and he said, "No. It's too long. Make it shorter." So the wise men went off for another year. When they came back, they gave the potentate a piece of paper with one sentence on it. A single sentence. You know what the sentence was?" Bob looked at me. I shook my head. "