Bhai Shpradhyam said that the way of self enquiries, that the self has four aspects. And when you wanted to speak about the waker, you said, waker, dreamer, sleeper and thorium, right? So directly you talked about it. There's no other way. If I want to point out the goal to you, I have to bring out the necklace. The gold is right there, isn't it? You have to use that thing."
Swami Sarvapriyananda teaches one of the shortest and most profound upanishads accompanied by Gaudapada's Karika. This lecture covers Mantra 7 (Part 2).