Some people in life are successful and some fail. There can be many different reasons for this.
What are the main factors of success? Intelligence? Working hard? What exactly is it?
Commonly, the greatest characteristic of successful people is their will. They won't stop to cope for their dreams. Even though they did well, they won't stop learning and learning until they learn more. Thus, they succeed in life. A good vision with action would certainly lead you to success.