Can you provide a summary of the key themes and narratives introduced in Chapter 8 of the Sai Satcharitra?

Chapter 8 of the Sai Satcharitra begins with customary salutations and a brief recap of the previous chapter. It then outlines the topics to be discussed, including Sai Baba's practice of begging for alms (bhiksha), the dedicated service of Baijabai, the wonder of Baba's meals, and his sleeping arrangements in the Masjid with Tatya and Mhalsapati. As detailed in Chapter 8, the text then transitions into a profound philosophical discourse on the purpose of human life. It argues that the true duty of human birth is to attain the Supreme Self, contrasting this noble goal with the mere survival instincts of animals. The chapter emphasizes the transient and impure nature of the physical body but paradoxically highlights it as the only vehicle for achieving spiritual realization.