Based on the introductory part of Chapter 42, what are the profound effects of a Sadguru's grace on a devotee?

Chapter 42 eloquently describes the transformative power of a Sadguru's grace. The text explains that through the light of this grace, the distress and fear associated with worldly existence are completely removed, and the door to the path of ultimate liberation is opened. It further elaborates that by constantly remembering the Sadguru's feet, the very nature of obstacles dissolves, unhappiness turns into happiness, and even death itself meets its own end. The chapter suggests that hearing the stories of a capable Guru like Sai leads to great holiness and helps one forget the sorrows of worldly life.