Can you provide a summary of the main themes discussed in Chapter 10 of the Shri Sai Satcharitra?

Chapter 10 of the Shri Sai Satcharitra covers several key themes, transitioning from philosophical teachings to descriptions of Sai Baba's unique life. Initially, the chapter emphasizes the supreme importance of the Guru, stating that He is the "one eternal God" who can alter destiny and grant liberation from the cycle of birth and death. It then recaps previous chapters before delving into Baba's mysterious lifestyle. A significant portion of the chapter is dedicated to describing His incredible sleeping arrangement on a narrow wooden plank hung by rags, highlighting that His movements were imperceptible and attributing this feat to His divine Siddhis.