Listen to this statement:
I am that by which I know that I am.
Let it sink in and feel what it is pointing you to. It is something that cannot be touched, heard or see. We have a word for it: consciousness. But that is also just a stand-in for what it really is.
Now listen to this statement:
You are of the nature of no-birth, no-dwelling, no-disintegration, and no-death.
Another way of saying this is a statement on the implicate order: