Many outcomes are predetermined by our beliefs and our beliefs are influenced by our visions and our self talk. In examining NASA astronauts who had the right stuff , world class athletes, top level CEOs, the best surgeons, and the most accomplished artistic performers, researchers have found some common traits. It seems that many of these individuals prepare themselves mentally for any challenge they encounter. The performance in the face of these challenges often seems effortless. The reason it appears effortless is that these individuals have practiced the skill over and over in their mind hundreds of times.
Winners are masters of the art of simulation.
They have seen themselves perform flawlessly and that becomes their self fulfilling prophecy. I've practiced it mentally a thousand times. Watch a world class down hill skier prior to a big race and you will see them close their eyes and ski the course in their mind. On the absolute edge of their skis, they are going faster than anyone has dared to go. Watch the Olympic gymnast before the big event.