The need for believing in multiple lives, combined with thessurest assurances towards us end of sixth chapter gita, is important for all of ur spiritual aspirants. Make sure that you have high thinking and plain living. That's a good slogan for every it's good for every actually. John anderson: What are the caterist of self that believe to pass from life to ligt in this described cycle? It's a sentient being limited by one subtle body.
Swami Sarvapriyananda teaches the Katha Upanishad, which is one of the most popular Upanishads. The scripture concerns the story of a young man who goes to the house of death to find out what happens after death. The reply describes the nature of reality and the meaning of life.