How does Chapter 42 describe the power and grace of a Sadguru like Sai Baba?

Chapter 42 eloquently describes the immense power and grace of a Sadguru. It states that by the light of the Guru's grace, the distress and fear of worldly existence are completely removed, and the door to ultimate liberation is opened. The chapter posits that constantly remembering the Sadguru's feet causes obstacles to dissolve and can even conquer death itself. This section portrays Sai Baba as a 'Wish-fulfilling Tree' (Kalpataru) for his devotees, emphasizing that simply hearing the stories of a capable Guru, or Samartha, brings great holiness. The narrative from Chapter 42 clearly illustrates that a Guru's guidance transforms unhappiness into happiness.