What topics does the author foreshadow for future chapters at the conclusion of Chapter 5?

At the end of Chapter 5, after narrating the story of Devidas and the Fakir, the author, Hemadpant, provides a glimpse into upcoming narratives. The text explicitly states that the subsequent stories are even more profound. As mentioned in Chapter 5, future topics will include details about the mosque's original condition and how its floor was paved. Furthermore, it promises to touch upon the enduring mystery of whether Sai was of Hindu or Muslim lineage. Finally, it foreshadows descriptions of Baba's daily activities, such as washing clothes, grinding, and performing Khanda-yoga, through which he experienced the sufferings of his devotees.