Self-Image

Not an easy read but a book I would absolutely recommend:

"Psycho-Cybernetics" by Maxwell Maltz

"Science has now confirmed what philosophers, mystics, and other intuitive people have long declared: Every human being has been literally 'engineered for success'... Every human being has access to a power greater than himself.
This means you.
As Emerson said, 'There are no great and no small.'
If you were engineered for success and happiness, then the old picture of yourself as unworthy of happiness, a person who was 'meant' to fail, must be in error."

Self-Image is so powerful and dictates your every thought and action. Look at it.