How does Chapter 37 offer a philosophical reinterpretation of 'death' and 'heaven'?

Chapter 37 presents a non-literal interpretation of fundamental concepts. It defines 'death' not just as a physical end but as the state when something that came from the unmanifest returns to it. The true 'nooses of death' are identified as adharma, ignorance, anger, and hatred. Similarly, 'heaven' is redefined not as a place for sensual enjoyment but as the Vairaj (the Cosmic Being) itself. This 'heavenly state' is a condition free from disease, worry, fear of death, or duality, where the soul moves fearlessly.