Successful business people like entrepreneurs have usually undertaken a lot of positive personal development to achieve the state of mind that keeps them focused and motivated. For some people, this attitude comes more naturally than for others, but it is also a skill that can be learned and mastered with regular practice.
There are also many great entrepreneurs who applied some self help philosophy in order to achieve their goals, and plenty of others who like to keep doing so even after they have achieved success. So if you feel that you could do with help in this area then you are in good company.
