Confidence helps you to perform. In everything you do. There are different sources of confidence, the challenge is for us to find our own way to feel confident. There are various. For sport athletes, it is build over time with past wins, work on a particular shot, feedback from coach etc. For employees, it is also based on successful experience, work, feedback from hierarchy, and others that address the particular characteristics of each individual. Identifying our own sources of confidences is often the starting point of increased performance.