Chapter 48 briefly mentions rebirth to settle enmity and debt. How does this general principle compare to the specific story of the frog and the snake, and what does Chapter 48 add to that narrative?

The provided text from Chapter 48 does not contain the story of the frog and the snake. Instead, it makes a brief reference to the topic of a previous chapter, stating that ordinary people take rebirth to settle enmity, murder, and debt, and to experience the fruits of their Karma. Chapter 48 contrasts this with Saints like Sai, who are said to remember past lives, are not subject to ordinary birth, and work to remove the calamities of their devotees. The chapter emphasizes that devotees who place unwavering faith at the feet of such Saints will attain success.