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

Chapter 42 eloquently describes the profound impact of a Sadguru's grace. It posits that by the 'light of the Guru's grace,' the fear of worldly existence is removed and the path to ultimate liberation is opened. The text emphasizes that unhappiness can be transformed into happiness. According to the teachings in Chapter 42, by constantly remembering the Sadguru's feet, the very nature of life's obstacles dissolves. The power is so immense that the chapter makes the bold claim that 'even death shall meet its death, and the sorrows of worldly life are forgotten.' Sai is also referred to as a 'Wish-fulfilling Tree (Kalpataru)' for his devotees, showcasing his role as a divine benefactor.