The Best Performance That You Can Possibly Have Is Based on What's Possible

The best performance that you can possibly have is based upon your internal representation of what's possible, Ray says. "Your own best performance is going to be roofed capped by what you think is possible," he adds. In the same way, when Roger bannister ran a sub-four minute mile, people knew it could be done and they did it. 'That does not mean that everyone in the world can do right'