Chapter 8 describes the human body in very negative terms, yet also calls it essential. Can you explain this paradox based on the text?

Chapter 8 of the Sai Satcharitra presents a significant paradox concerning the human body. On one hand, it is described with deeply negative imagery, calling it a "washroom of excrement and urine," a "prison for the soul," and a transient "house for worms and insects." It is labeled as impure, perishable, and a foul mess of flesh, blood, and bone. However, the chapter resolves this paradox by asserting that, despite all its impurities and transient nature, it is only through this very human body that one can reach the Lord, the "Abode of Auspiciousness." This highlights the body's indispensable role as the sole vehicle for achieving spiritual realization and attaining the Supreme Self.