You have GOT to see this.

This is truly one of the most inspiring stories I have ever heard. You have got to watch this.

http://www.ted.com/index.php/talks/aimee_mullins_on_running.html
This is Aimee Mullins, a double leg amputee in 1998 at the age of 19.

http://www.ted.com/index.php/talks/aimee_mullins_prosthetic_aesthetics.html
And this is her 10 years later, after she had expanded her career to not just athelete, but also model, actor, and activist.