Many people dedicate their lives to actualizing a concept of what they should be like rather than actualizing themselves. This difference between self-actualization and self-image is very important. Most people only live for their image.
The best fighter is not a Boxer, Karate or Judo man. The best fighter is someone who can adapt on any style. He kicks too good for a Boxer, throws too good for a Karate man, and punches too good for a Judo man.