How does Chapter 34 contrast the limits of medical science with the power of faith and the Guru's grace?

Chapter 34 creates a stark contrast between the limitations of human knowledge and the boundless power of divine grace. The chapter details how a degree-holding doctor, expert surgeons, and both native and foreign treatments were completely helpless against a bone-cyst. The text states that all efforts were exhausted and even surgery failed. This failure of established medical science serves as a backdrop to highlight the power of faith. The family, having reached the limit of remedies, turns to Sai Baba. The simple act of applying Udi, as instructed by the Guru, is presented as the ultimate solution, demonstrating that where human expertise ends, the grace of a Sadguru like Sai Baba begins, capable of curing even incurable diseases.