It is true that Brahman is here in every being, but you can't point to it directly. So this is the word used. Atat vyabhritya, which means the method of nithi nithi, not this, not this. You have to deny that this is not Brahman. It's not that ultimate reality is a table or a chair or a person or space or time,. None of this. Then immediate mistake will be so that ultimate reality doesn't exist. And you have to say, not that either. Another way the keno-opanishad does it is, it's different from whatever you know. Whatever anybody knows, that