The self is not an object to be meditated upon, but a mental idea that the mind can do. The atman consciousness is that which illumines all thinking. None of the thoughts are aware of you. You see through the eyes. If the mind cannot think about you, how will you meditate? It's an impossible command. Where did it come from? It comes from Braheasarnek Upanishad,. But it starts with an interesting, like an injunction, like a command. Atma-avare darshta bhiya, my dear, the self is to be seen. Let alone see, you can't see it. That's the sentence