Da "Keep It Moving - Lessons for the Rest of Your Life", Twyla Tharp (1941)

[...] Dance has no goals, so dancers never develop the narrow focus of a stopwatch or a perfect score, or any other outside metric to tell you whether you have done what you set out to do or not. As a dancer, you are always pushing for your optimal performance, competing only with yourself. There is no opposing team. With no other way to measure your success, it is only ever: Have I done my personal best? Wise words for dance and the rest of your life. Was it your best show or not? Was it part of your pledge? If not, what can you improve? In this spirit, the only winner is you.[...]