The heights by great men reached and kept were not attained by sudden flight, but they, while their companions slept, were toiling upward in the night.
There's no committee that says, 'This is the type of person who can change the world - and you can't.' Realizing that anyone can do it is the first step. The next step is figuring out how you're going to do it.
The power of the human will to compete and the drive to excel beyond the body's normal capabilities is most beautifully demonstrated in the arena of sport.