What lessons did Zits learn as Jimmy (about himself / about history / about humanity)?

One of the central themes of the novel centers around Zits’s changing identity. Initially, Zits feels he has a skewed identity - he is an outsider, with no fixed race and no home. As such, he defines people by their wealth and their beauty. His magical journey helps him realize that he is in control of his own identity, by giving him insight into several other perspectives. Hank is an insider, the Indian boy has a community, Gus has power and talent, Jimmy feels out of control, and his father nurses similar resentments to his own. Each of these identities speaks somewhat to Zits's confusion, and yet he realizes that every person has inner conflicts and moments of confusion. Ultimately, what Zits realizes is that one's identity is defined more by his behavior than by his race or wealth. There is no magical identity that solves all problems. Instead, each human must battle himself to be someone he is proud of.