...Most of us think in terms of Nature vs. Nurture. We have genetic traits that give us something to work with, and the environment we live in shapes us. Scott Jurek adds a dimension: he’s an agent in his own life. His will is equal to or greater than the other forces, and the success he’s achieved, the records he’s set, the boundaries he’s pushed, have been all him. - See more at: http://www.claytonlindemuth.com/2013/09/21/eat-and-run-book-review/#sthash.CxJOT43m.dpuf