It is possible for the fully illumined mystic to experience two different states of identification with his Higher Self. In one, he becomes conscious of the latter on ITs own plane; in the other, which he experiences in deep trance only, even that is transcended and there is only the ONE Infinite Being. Yet this is not annihilation. What it is, is beyond human comprehension, and therefore beyond human description.
-- Notebooks Category 22: Inspiration and the Overself > Chapter 3: The Overself's Presence > # 387