“The lesson is that one person with a persistent vision can make change happen, whether climbing rocks or delivering services.” Seth Godin, Tribes. That sentence relates to a passage in Seth’s book where he talks about Chris Sharma and how he changed the way rock climbers looked at scaling a cliff. Instead of the normal left/right/, left/right approach of hand over hand, Sharma jumps (known as a dyno). It’s a leap of faith at its purest, since a fall while rock-climbing…