Everything in this book so far has been about what is not you. The machine, the selves, the borrowed face, the dreams they play out at night.
Now the book turns to the one who is. The tradition of Gnosis calls it the Being, or the Innermost. It is your deepest self, deeper than the personality and deeper than any self. It has never been asleep, and it has never been angry, greedy or afraid.
It cannot be described, and every description gets it a little wrong. A picture of the Being is not the Being. An idea of it is not it either. That is why the books stay so plain about it. The Being is the Being.
You have tasted it, though. Perhaps in a moment of deep calm in nature, or holding a newborn child, or when a fear simply fell away and something steady was left. That steadiness was not something you did. It was something you were, for a moment, with the selves quiet.
The whole work exists for this. When a self dies, a little more room is made for the Being. Waking up means, in the end, the Being waking up in you.
You do not need to believe this. You only need to look for it.