According to Chapter 14 of the Sai Satcharitra, what is the significance of human birth and how does it contrast with the transient nature of worldly existence?

Chapter 14 explains that human birth is exceptionally fortunate because it is the only way to achieve devotion to God and attain Self-realization. A person who only focuses on food, sleep, fear, and procreation is considered no better than an animal. This chapter emphasizes the fleeting nature of life, comparing it to a flash of lightning and worldly relationships to pieces of wood floating in a river that meet briefly and then scatter forever. It urges individuals to make their lives meaningful by pursuing spirituality, reminding them that the body is merely fodder for Time and that one should be cautious while navigating this transient worldly existence.