"T. Boone Pickens, Chairman of BP Capital Management""If I had to single out one piece of advice that's guided me through life, most likely it would be from my grandmother, Nellie Molonson. She always made a point of making sure I understood that on the road to success, there's no point in blaming others when you fail.""Here's how she put it: 'Sonny, I don't care who you are. Some day you're going to have to sit on your own bottom.' After more than half a century in the energy business, her advice has proven itself to be spot-on time and time again. My failures? I never have any doubt whom they can be traced back to. My successes? Most likely the same guy."" Photo: Business Insider"