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 WilberAnything you are exclusively attached to & identify with ends up distorting & limiting awareness.
Ken WilberFurther, if Spirit has any meaning at all, then it must be eternal, or without beginning or end. If Spirit had a beginning in time, then it would be strictly temporal, it would not be timeless and eternal. And this means, as regards your own awareness, that you cannot become enlightened. You cannot attain enlightenment. If you could attain enlightenment, then that state would have a beginning in time, and so it would not be true enlightenment.
Ken WilberThe point is to unify the opposites, both positive and negative, by discovering a ground which transcends and encompasses both.
Ken WilberIn a special sense... the three great natural states of waking, dreaming, and deep sleep contain an entire spectrum of spiritual enlightenment.
Ken WilberConscious business.. business that is conscious of inner and outer worlds.. would therefore be business that takes into account body, mind, and spirit in self, culture, and nature. Put differently, conscious business would be mindful of the way that the spectrum of consciousness operates in the Big Three worlds of self and culture and nature.
Ken Wilber