http://www.elearningpost.com/archives/006814.asp schrieb / wrote: Book: The Power of Impossible Thinking: A nice analysis of how mental models matter in ’seeing and acting differently‘. For example, ‚Take the four-minute mile. Before 1954, it seemed to be a physical barrier that humans could not cross. It was impossible. Then Roger Bannister broke this barrier on a British track. Within three years, 16 other runners had also cracked the four-minute mile. Was there some breakthrough in human evolution? No. What had changed was their thinking. Bannister showed it was possible. We think the barriers are in the world, but often they are in our own minds.‘ http://knowledge.wharton.upenn.edu/index.cfm?fa=viewArticle&id=1007

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