Nature's arena has a way of humbling and energizing us.

As powerful as our legs are, as magnificent as our lungs and arms and muscles are, nothing matters more than the mind.

It's a hard, simple calculus: Run until you can't run anymore. Then run some more. Find a new source of energy and will. Then run even faster.

You can hurt more than you ever thought possible, then continue until you discover that hurting isn't that big a deal.

Rational assessments too often led to rational surrenders.

Every single one of us possesses the strength to attempt something he isn't sure he can accomplish.

We strive toward a goal, and whether we achieve it or not is important, but it's not what's most important. What matters is how we move toward that goal.

The point was living with grace, decency, and attention to the world, and breaking free of the artificial constructs in your own life.

Train where your fitness is NOW, not where you want to be.

What we eat is a matter of life and death.

Only the most saintly and delusional among us welcomes all pain as challenge, perceives all loss as harsh blessing.

You cannot stop the soul who refuses to surrender.

Our enemies leave our bodies for the crows and the wolves. Our friends bury us in secret graves.

When you don't have to ask for permission innovation thrives.

True success, true happiness lies in freedom and fulfillment.

Your body's made to run, to walk, to trek long distances and carry things, work in a forest, and hunt animals. You have to keep it alive to function.

If I had my ministry over again, I would devote far more time to the ministry of comfort and encouragement.

I write so much because my cat sits on my lap. She purrs so I don't want to get up. She's so much more calming than my husband.

In England people are very proud of being very stupid.

Probably the hardest thing to do was the beginning of the movie ["300"], I think, when we were in Sparta and all that - just getting in the groove.