The results you achieve will be in direct proportion to the effort you apply.
The confidence you need is belief in your potential. If you see world-class potential in yourself, you'll put in the effort. If you don't see the potential, you won't put in the effort and you'll wait for the performance, and the performance always follows the belief in self.
Put up the dream. Put in the knowledge. Put out the effort.
There is a direct relationship between joy and effort. The joy of success is in ratio to the amount of effort expended to achieve it
Personal development is the belief that you are worth the effort, time, and energy needed to develop yourself.
Don't wait for an employer, friend, or mentor to show appreciation for your work. Take pride in your own efforts on a daily basis.
Success is almost totally dependent upon drive and persistence.
Give your best effort, because you are worth your best effort.