Can you explain the deeper philosophical and spiritual meaning of the Udi that Baba gave?

The Udi given by Sai Baba carries a profound spiritual teaching about the nature of existence. Chapter 33 explains that the Udi is a metaphor for worldly life itself, reminding us that our perishable bodies will one day fall, much like ash. The gift of Udi is meant to encourage the renunciation of pride in the physical body. It teaches that the world is a modification of speech and that the ultimate destination of all name and form is the earth, symbolized by the Udi. By contemplating this, one is guided to understand the falsity of the world and realize a deeper truth.