According to Chapter 8, what makes a human life different from that of an animal like a dog or a pig?

Chapter 8 of the Sai Satcharitra draws a sharp distinction between human and animal life based on purpose and potential. The text argues that if a person's life is wasted only on the four activities of eating, sleeping, fear, and mating, there is no difference between that person and a dog. It points out that dogs also fill their bellies and reproduce, so if that is the sole focus, the human body has no special greatness. According to this chapter, what truly elevates human birth is the capacity for self-realization and the freedom to pursue the Eternal, which is described as the true success of birth.