It's truly fascinating how successful people approach problems. Where others see impenetrable barriers, they see challenges to embrace and obstacles to overcome.
Their confidence in the face of hardship is driven by the ability to let go of the negativity that holds so many otherwise sensible people back.
Martin Seligman at the University of Pennsylvania has studied this phenomenon more than anyone else has, and he's found that success in life is driven by one critical distinction-whether you believe that your failures are produced by personal deficits beyond your control or that they are mistakes you can fix with effort.
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