Exercise is done against one's wishes and maintained only because the alternative is worse.

Life is the greatest experiment. Each of us is an experiment of one-observer and subject-making choices, living with them, recording the effects.

Fitness has to be fun. If it is not play there will be no fitness. Play, you see, is where the process. Fitness is merely the product.

There is nothing more certain than the defeat of the man who gives up.

Some think guts is sprinting at the end of a race. But guts is what got you there to begin with. Guts start back in the hills with 6 miles to go and you're thinking of how you can get out of this race without anyone noticing. Guts begin when you still have forty minutes of torture left and you're already hurting more than you ever remember.

I run each day to preserve the self I attained the day before and to secure the self yet to be.

The more I run, the more I want to run, and the more I live a life conditioned and influenced and fashioned by my running. And the more I run, the more certain I am that I am heading for my real goal: to become the person I am.