According to the author in Chapter 49, why is it so difficult to describe Sai Baba's greatness, and how does he attempt to do it anyway?

In Chapter 49, the author expresses the profound difficulty in describing Sai Baba's greatness, stating that even the Vedas and Puranas grew weary of the task. He notes that Sai's Leela (divine play) is inexpressible and his art is inconceivable. The text mentions that even the highest forms of speech fail to capture His essence, let alone the spoken word (Vaikhari). Despite this, the author feels compelled to write, comparing his work to a "culinary arrangement of essence" that must be shared with friends. He believes that sharing this bliss doubles it and proceeds only by Sai's own grace, which gives him the remembrance of the stories needed to complete the book.