What is the primary theme and message conveyed in the introduction of Chapter 15?

Chapter 15 begins with traditional salutations and a humble prayer from the author to the listeners. The author compares the listeners to a vast ocean that accepts all rivers, pure or muddy, and asks for their grace and attention. The central message, as stated in Chapter 15, is that listening to these sacred stories with patience and faith leads to immense spiritual benefits. It promises that devotees will attain devotion, liberation, happiness, and peace, and that the fear of worldly existence will be destroyed, ultimately allowing the Self to manifest.