How does Chapter 8 of the Sai Satcharitra differentiate between a meaningful human life and the existence of animals?

In Chapter 8, a clear distinction is drawn to emphasize the unique potential of human birth. The text argues that if a person's life is spent only on the four basic activities of eating, sleeping, fear, and mating, then there is effectively no difference between that person and an animal like a dog. It points out that dogs also fill their bellies and reproduce, directly questioning the 'greatness of the human body' if it is used for the same ends. The chapter asserts that if nourishing the body and seeking sensual pleasure are the only goals, then the human birth is rendered useless. The critical difference, as explained in Chapter 8, is that a human being is 'free, fearless, and independent,' possessing the unique capacity and sacred duty to pursue the 'attainment of the Supreme Self (Paramatman),' which elevates human life beyond mere survival.