The Ultimate Guide to Unstoppable Motivation
The Pacific Crest Trail is renowned as one of the most arduous—and sometimes dangerous—hiking trails in America. Every summer, thousands of intrepid walkers set off on the trail, beginning in spring and knowing they won’t arrive at the Canadian border until five months later. For most people, this sounds like a hellish feat of endurance. For University of Missouri professor Kennon Sheldon, it sounded like a perfect opportunity for a psychological experiment.