Beyond its use as a blessing, what is the deeper philosophical meaning of the Udi that Sai Baba gave to his devotees?

Chapter 33 of the Shri Sai Satcharita reveals the profound philosophical meaning of the Udi (sacred ash). Sai Baba's intention in giving it was to teach that the entire visible universe is ultimately transient and illusory, just like ash. The text explains that our body, made of five elements, is like a piece of wood that will also become ash once its destined experiences are exhausted. As Chapter 33 clarifies, this Udi serves as a constant reminder of this impermanence and the truth that Brahman alone is real while the cosmos is pervaded by Maya, or illusion. It is a symbol meant to foster discrimination and detachment.