A persons life is constantly accumulating self-confidence. A little baby learns to crawl, to stand, to run, to speak, and every success gives him confidence. Self-confidence often comes from the encouragement and affirmation of others, and people who are not confident are always rejected and blamed by others. Confidence is a persons confidence in their ability. It is an important psychological quality. A person has confidence, he does not fear the difficulty, not afraid of failure, working towards the ideal goal, if a person have no confidence, so when he met difficulties setbacks, he will be back, also can do things by halves. Every one of us should be confident, and we should give others the courage to be confident.