What are the main topics and philosophical discussions introduced in Chapter 8 of the Sai Satcharitra?

Chapter 8 of the Sai Satcharitra begins by recapping previous events, such as Sai Baba's arrival in Shirdi and his intense yogic practices. It then introduces several key topics that will be explored, including Baba's habit of begging for alms (bhiksha), the dedicated service of Baijabai, the wonder of his meals, and how he would sleep in the Masjid with Tatya and Mhalsapati. As Chapter 8 explains, the narrative then shifts to a profound philosophical discussion on the purpose of human life. It argues that the true duty of human birth is the attainment of the Supreme Self (Paramatman), contrasting this with a life spent merely on survival activities like eating and sleeping, which it compares to the existence of dogs and pigs.