This document discusses confidence and self-confidence. It defines confidence as feeling capable of doing something without thinking you are better than others. Self-confidence comes from self-efficacy, or believing you can master skills through hard work, and self-esteem, or feeling approved by others and behaving virtuously. The document contrasts behaviors of those with high self-confidence, like taking risks and admitting mistakes, against those with low self-confidence, like avoiding risks and covering up mistakes. It recommends building self-confidence through preparation, setting goals, and accelerating progress toward success.