Dean Karnazes Quotes
The human body has limitations. The human spirit is boundless.
Citations
Karnazes, Dean. Ultramarathon Man: Confessions of an All-Night Runner. Tarcher/Penguin, 2005.
Related Quotes
Dean Karnazes, is an American ultramarathon runner, and author of Ultramarathon Man: Confessions of an All-Night Runner, which details ultra endurance running for the general public.