All other things being equal, self-confidence is usually the single ingredient that determines whether a person is successful or unsuccessful.
Self-confidence is not something you are born with; it is acquired. Having self-confidence means you know what your talents are and believe that these talents will help you achieve your goals. It is having faith in your own abilities. It is how you feel about yourself.
To build a successful life, self-confidence is even more important than talent, knowledge, and hard work. When you are confident, you are more likely to take action on your goals. The success of any undertaking starts when you believe in your ability at the start.
How you see yourself has an enormous impact on how others perceive you. When you are self-confident, you are more determined, better equipped to establish positive relationships, and more likely to achieve your goals. Self-confident people are usually more positive, and as a result, more fun to be around.