Climb Any Mountain
Climb, Fall, Think, Repeat, Succeed
The two-inch principle
Focus on what's in front of you
Jim Collins (this article was a reference for my answering my Tuck Essay 3):
Leadership lessons of a rock climber
A sometimes recreational climber myself, I can attest to the moments of self-discovery that can happen on a rock. Y'all should try climbing sometime. It can be very refreshing.