Ajax: > To find out if this is real or not, there is no evidence except the > experience. > One of the most thorough account of the spiritual approach may be Ken Wilber's book The Spectrum of Consciousness, a comparison of western and eastern ways of thinking about the mind, Ken Wilber described consciousness as a "spectrum" with ordinary awareness at one end, and more profound types of awareness at higher levels.
"Duality is only an appearance; non-duality is the real truth. The object exists as an object for the knowing subject; but it does not exist outside of consciousness because the distinction of subject and object is within consciousness." (IV 25-27) Sharma, p. 245-246. Work cited: 'The Spectrum of Consciousness' By Ken Wilber Quest Books, 1993 pp. 3-16; 52
