This document discusses the nature of personal identity and how it evolves over time. It notes that a person's identity starts with their physical body and expands to include family, culture, nationality and more. However, the highest identity is one's shared identity with all of humanity. As people internalize concepts of global unity, they learn to rise above restrictive identities and judge others based on their actions, not their affiliations. The key is not denying one's identities but also not restricting oneself to any single identity if it goes against the interests of mankind.