Best effort is not enough

Individuals have great potential. As the psychologist points out, the general development of human potential only about 2-8, as great as the great scientist Albert Einstein, also developed only about 12. If a person develop the potential of 50, you can recite 400 textbook can finish school dozen university courses, but also master the twenty languages in different countries. That said, we still have 90 potential is still in slumber. Who want to excel, miracles, just do the best effort is not enough, must do the job.