The people who succeed in life, in work, there will always be people who develop themselves continuously. The development of his own to help the person move forward far more than people who do not have their own development.
People who succeed in life are often the ones that are working to develop themselves continuously. The development will allow that person to move forward beyond that no self-development.
A successful person in life, in work, often a self development continuously. Self development will help the person moving forward farther than people without self development.