There is a strong feeling of having repeated that particular experience here it's attendance you may not remember but you like it Sridhar Makrishna said those who are going to be spiritual will attain God. I read large portions of Swami Vivekananda's complete works as a kid when I was nine or ten years old and still don't know what I understood at the time. Why did you have liking for a mass of words written or spoken by a monk hundred years ago? You need to grow up and understand it yes.
Swami Sarvapriyananda teaches one of the shortest and most profound upanishads accompanied by Gaudapada's Karika. This lecture covers Karika 22-23 and Mantra 12.