Trapped alone for 127 hours in an isolated canyon with his arm pinned between a boulder and the canyon wall, Aron Ralston was on the brink of death. After 5 days, he made the unimaginable decision to free himself with a dull pocket knife. How did he survive? And what profound lesson did he learn? | Goalcast

In April 2003, Aron Ralston set out alone to explore Utah’s remote Bluejohn Canyon, without telling anyone his plans. During his descent through a narrow slot canyon, a dislodged 800-pound boulder crushed his right arm and pinned him to the canyon wall. With no cell phone and no one aware of his location, Ralston endured five days of isolation, rationing minimal water and recording farewell messages on his video camera, including emotional words to his family. On the sixth day, driven by the wil