Knowledge of the self is the mother of all knowledge. So it is incumbent on me to know my self, to know it completely, to know its minutiae, its characteristics, its subtleties, and its very atoms.
The first roller coaster was used to transport coal down a hill. After people found that it could reach speeds up to 50 miles per hour, tourists asked to ride on it for a few cents.
Our duty is to encourage every one in his struggle to live up to his own highest idea, and strive at the same time to make the ideal as near as possible to the Truth.