10. The productivity of the tools--that is, the efficiency of the human energy applied in connection with their use--has always been highest in a competitive society in which the economic decisions are made by millions of progress-seeking individuals, rather than in a state-planned society in which those decisions are made by a handful of all-powerful people, regardless of how well-meaning, unselfish, sincere and intelligent those people may be. http://ping.fm/lFi77