Based on the provided excerpts from Chapter 53, what is the concluding message and purpose of this chapter?

The concluding message of Chapter 53, as revealed in these excerpts, is multi-faceted. Primarily, it serves as an epilogue explaining the circumstances surrounding the book's completion after the author Hemadpant's death. It addresses why the promised summary is absent, attributing it to Baba's will being more powerful than human plans. Chapter 53 highlights Hemadpant's virtuous character, his frugality, and his skillful writing, paying homage to him. It also documents the subsequent efforts by his son Gajanan and Babasaheb Tarkhad to see the work through. Thus, the chapter's purpose is to tie up the narrative of the book's creation, provide a lesson on surrender to the Sadguru's will, and honor the original author's memory and efforts.