Why does the author of the Satcharitra find it so challenging to describe Sai Baba's greatness in Chapter 49?

The author expresses profound difficulty in capturing the essence of Sai Baba in Chapter 49, describing His nature as unfathomable and inexpressible. He notes that even the ancient Vedas and Puranas grew weary in their attempts to praise the Sadguru, making him feel that silence is the most appropriate response. The author explains that Sai's Leela, or divine play, is beyond the capacity of his speech to describe. He delves into this by mentioning different levels of speech, stating that where the transcendental (Para) speech returns and the middle stages (Pashyanti, Madhyama) do not open their mouths, the spoken word (Vaikhari) is utterly powerless to comprehend or articulate the Sadguru's inconceivable art.