Anyone who has hiked up a mountain knows that if your eyes are always fixed on the summit, you can’t focus on the path that gets you there, right at your feet. And every path has its obstacles.
Erik Weihenmayer’s most daunting challenge used to be that he couldn’t see the path at all. He was diagnosed at age four with juvenile retinoschisis and progressively lost his vision. So he trained himself to see differently. “I learned that the beauty of climbing was discovering the clues in the rock face, the nubs, edges, knobs, and…
