How does the author of Chapter 15 address the audience, and what is the purpose of this address?

The author addresses the audience with profound humility and grace in the opening verses of Chapter 15. He refers to the listeners as 'good listeners' and compares them to a boundless ocean, while seeing himself as a mere river seeking to merge with them. The purpose of this address, as described in Chapter 15, is to prepare the minds of the audience and request their undivided attention and forgiveness for any shortcomings. By establishing this respectful and humble tone, the author hopes to ensure that the listeners will partake of the 'nectar-like story with patience and faith,' thereby attaining the spiritual fulfillment promised by the text.