What is the ultimate purpose of human birth as explained in Chapter 8, and how does it contrast with a life of mere survival?

Chapter 8 of the Sai Satcharitra strongly argues that the ultimate purpose of human life is spiritual realization, specifically the attainment of the Supreme Self (Paramatman). The text contrasts this noble goal with a life focused solely on survival and sensual pleasures. It asks rhetorically what differentiates a human from a dog or a pig if life is only about filling one's belly and procreation. The chapter states that if nourishing the body and sexual pleasure are the only ends, then human birth is useless. True success, as explained in this chapter, comes from understanding our divine origin and using our unique human freedom and independence to realize the Eternal.