Yep, watch Feynman in "Fun to Imagine 4: Magnets (and 'Why?' questions...)" (http://www.youtube.com/watch?v=wMFPe-DwULM).
It's a Charlie Rose segment where Jim Collins is discussing his book "How the Mighty Fall" (http://www.charlierose.com/view/interview/10565). He talks about the five stages of decline in any great enterprise. Stage 1 is hubris -- thinking you know it all.