Diana Nyad: Never, ever give up

What Is Positive Thinking?

Critics of the power of positive thinking often say it is a naive world view that refuses to look at the facts. "Life is hard and then you die" is their motto. Psychologists and others who have studied the subject in depth disagree. Truly positive thinkers, far from hiding their heads in the sand, face life's challenges head-on because they are able to learn and grow from negative experiences and take advantage of existing opportunities.
She obviously learned from her previous failures. Are you learning from all the hundreds of thousands of failures you will need to experience to recover?

http://www.ted.com/talks/diana_nyad_never_ever_give_up.html?