The quote reflects the inevitability of facing one's internal struggles and past experiences. The imagery of a bullet lodged in the brain symbolizes unresolved issues or painful memories that cannot be easily escaped or ignored. No matter how much one tries to run from these challenges, they will eventually confront them. The bullet serves as a reminder of both the burdens we carry and the memories that shape us.

Additionally, the mention of a "comet's tail" suggests that our experiences, both good and bad, follow us wherever we go. As we navigate through life, these memories and feelings become part of our identity, impacting our journey in various ways. Ultimately, the passage highlights the intertwining of personal history with the broader fabric of life and commerce, emphasizing that we bring our inner experiences with us into our external pursuits.