What are the main topics and philosophical teachings discussed in Chapter 8 of the Sai Satcharitra?

Chapter 8 of the Sai Satcharitra begins by recapping previous events, such as how Sai Baba turned a wasteland into a garden, and then introduces the topics to be discussed. As mentioned in the chapter, these include the greatness of human birth, Sai’s practice of begging for alms (bhiksha), the dedicated service of Baijabai, and the wonder of Baba's meals. The chapter delves into a deep philosophical discussion on the true purpose of human life, contrasting it with mere survival and emphasizing the attainment of the Supreme Self. It also provides a graphic description of the body's transient and impure nature.