How does Chapter 53 use the story of the unwritten summary to illustrate the concept of divine will?

Chapter 53 masterfully uses the circumstances of its own creation to illustrate the supremacy of divine will over human intention. The chapter begins by noting that the original author, Hemadpant, had promised a summary but could not complete it. His sudden passing is cited as the prime example that "Nothing happens by one's own will; Baba’s will is more powerful." Furthermore, the new author's struggle and subsequent surrender are central to this theme. As explained in Chapter 53, despite his feelings of inadequacy, he places his faith in the Guru, concluding that Sai Baba himself will be the one to write the summary, using the author's mouth as an instrument. This narrative arc reinforces the book's core tenet of surrendering to the Sadguru.