What arguments does Chapter 8 use to convince the reader that a life focused only on the body is meaningless?

Chapter 8 of the Sai Satcharitra employs several strong arguments and comparisons to demonstrate the futility of a life centered solely on physical existence. It posits that if nourishing the body and seeking pleasure are the only goals, then human birth is useless. The text pointedly asks what distinguishes a human from a dog if life is reduced to the four activities of eating, sleeping, fear, and mating. As the chapter elaborates, even a blacksmith's bellows breathes and dogs have sturdy bodies, so these physical attributes alone do not confer greatness. The true success of human birth, according to the teachings in this chapter, is realizing the Eternal, because a human is meant to be free, fearless, and independent.