Success is a journey, not a destination.
The ability to generalize from limited data is a hallmark of effective learning algorithms.
There is no doubt that in exchanging a self-centered for a selfless life we gain enormously in self-esteem. The vanity of the selfless, even those who practice utmost humility, is boundless.
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.