As long as my heart's still in it, I'll keep going. If the passion's there, why stop?... There'll likely be a point of diminishing returns, a point where my strength will begin to wane. Until then, I'll just keep plodding onward, putting one foot in front of the other to the best of my ability. Smiling the entire time.

The only one who can tell you "You can't" is you. And you don't have to listen.-Nike

Adventure books are my personal favorites. 'The Endurance,' a story about Ernest Shackleton's legendary Antarctica expedition, or 'Into Thin Air,' Jon Krakauer's personal account of the 1996 disaster on Mt Everest, are two notables.

Awakenings are always terrifying as they force you to realize your past has been lived in confinement, the most disturbing part is when you recognize that the shackle holding you down are largely once you have placed upon yourself, the prison is self constructed

I do a lot of marathons as training runs. If I'm somewhere and there's a marathon, I'll sign up and just go run it.

I never feel more alive than when I'm in great pain, struggling against insurmountable odds and untold adversity. Hardship? Suffering? Bring it!

If someone had said to me before I started doing this that a human being is capable of running 100 miles nonstop, I would have just said: 'No way. I mean, how?' If you just go out there and run 100 miles, it breaks down a lot of barriers in terms of self-imposed limitations.