How does Chapter 33 explain the connection between the body, the universe, and the symbolism of Vibhuti (sacred ash)?

Chapter 33 of the Shri Sai Satcharita draws a deep philosophical connection between the body, the universe, and the Udi, or Vibhuti. The text explains that Sai Baba used the ash to teach a lesson about impermanence. It states that the Udi shows that the entire visible universe is, in essence, nothing but ash. It then makes a direct comparison to the human body, calling it 'wood made of five elements' that only exists to experience its destined enjoyments. Once those are exhausted, the body becomes motionless and will ultimately become 'just this ash.' Therefore, the Udi serves as a constant reminder of the transient nature of both our physical selves and the material world.