Can you summarize the introduction and key themes of Chapter 36 of the Sai Satcharitra based on the provided text?

Chapter 36 of the Sai Satcharitra begins with an invocation and emphasizes the profound power of Sai Baba's stories. The text describes these narratives not as mere tales, but as "the very water of self-bliss" that intensifies devotion and removes the fatigue of worldly life. As detailed in Chapter 36, listening to these stories is a path for a fortunate soul to achieve spiritual welfare. The chapter also describes Sai's immense glory, noting he is an incarnation of Truth who can change a beggar into a king and orchestrates the telling of his own stories to fulfill the desires of his devotees. The introduction concludes by setting the stage for the story of two gentlemen from Goa.