How does the author of the Sai Satcharita describe his personal role and Sai Baba's influence on the writing process in Chapter 49?

In Chapter 49, the author portrays himself as a mere instrument for a divine purpose. He explains that Sai Baba prompted him to begin the Satcharita for the benefit of devotees and for the author's own self-interest. He humbly admits that without Sai's inspiration, the work would be dry. The author states that if he ever forgets the narrative, Sai provides the remembrance at the right time, and that unexpected stories manifest, compelling him to write. He concludes that the merciful Sainath entered his mind and got His own book written, fulfilling the author's desires in the process.