The Witness is a huge step forward, and it is a necessary and important step in meditation, but it is not ultimate. When the Witness or the soul is finally undone, then the Witness dissolves into everything that is witnessed. The subject/object duality collapses and there is only pure nondual awareness, which is very simple, very obvious.
Ken WilberAll sentient beings - all holons in fact - contain Buddha-nature - contain depth, consciousness, intrinsic value, Spirit - and thus we are all members of the council of all beings... And the ultimate objective truth is that all beings are perfect manifestations of Spirit or Emptiness
Ken WilberSpirit slumbers in nature, awakens in mind, and finally recognizes itself as Spirit in the transpersonal domains.
Ken WilberWhenever we moderns pause for a moment, and enter the silence, and listen very carefully, the glimmer of our deepest nature begins to shine forth, and we are introduced to the mysteries of the deep, the call of the within, the infinite radiance of a splendor that time and space forgot
Ken Wilber