Can you summarize the main philosophical teachings and descriptions of Sai Baba presented in Chapter 37?

Chapter 37 of the Shri Sai Satcharitra provides a profound description of Sai Baba's nature and delves into philosophical concepts about life, death, and heaven. It portrays Baba as a blessed and incomprehensible figure, sometimes absorbed in the bliss of the Self (Brahmananda) and always detached. He is described as a lifelong celibate who treats all men as brothers and women as mothers or sisters. The chapter then transitions to a discourse on the true nature of heaven and death. It defines death as the soul returning to its unmanifest state and identifies unrighteousness, ignorance, anger, and hatred as the 'nooses of death.' As detailed in Chapter 37, the text argues that the true heaven is not a physical place for sensual enjoyment but a state of being one with the Cosmic Self, free from all suffering and fear.