Chris would use the spiritual aspect to try to motivate us. "He'd tell us to think about all the evil in the world, all the hatred, and imagine ourselves running against the forces of darkness, the evil wall that was trying to keep us from running our best. He believed that doing well was all mental, a simple matter of harnessing whatever energy was available.

Into the Wild (ed. Pan Macmillan, 2011) - ISBN: 9780330469982