Chapter 14 uses a powerful analogy to describe the nature of worldly relationships. What is this analogy and what is its underlying message?

To illustrate the transient nature of worldly relationships, Chapter 14 uses the analogy of family members being like 'pieces of wood floating in a river's current.' These pieces of wood, representing mother, father, siblings, and other relations, appear to meet and unite for a brief moment. However, a single wave can scatter them, and once that separation occurs, they may never meet again. The underlying message of this poignant imagery is to highlight the impermanence of all worldly connections and the transient nature of our existence, which is also compared to a 'flash of lightning.' This perspective, as taught in Chapter 14, is intended to encourage a devotee to seek something more permanent and real than the fleeting unions and separations of earthly life.