A hallucination is a fact, not an error; what is erroneous is a judgment based upon it.
There is a curious law of art...that even the attempt to reproduce the act of seeing, when carried out with sufficient energy, tends to lose its realism and take on the unnatural glittering intensity of hallucination.Northrop Frye
In the long arcade of the bus station footfalls come back like laughter. He marches darkly toward his darkly marching shape in the glass of the depot door. His fetch come up from life's other side like an autoscopic hallucination, Suttree and Antisuttree, hand reaching to the hand.cormac mccarthy
To one completely committed to this realm of becoming, as are the empiricists, the claim to apprehend verities is a sign of psychopathology. Probably we have here but a highly sophisticated expression of the doctrine that ideals are hallucination and that the only normal, sane person is the healthy extrovert, making instant, instinctive adjustments to the stimuli of the material world.richard weaver
The prevalent sensation of oneself as a separate ego enclosed in a bag of skin is a hallucination which accords neither with Western science nor with the experimental philosophy - religions of the East in particular the central and germinal Vedanta philosophy of Hinduism . This hallucination underlies the misuse of technology for the violent subjugation of man's natural environment and, consequently, its eventual destruction. We are therefore in urgent need of a sense of our own existence which is in accord with the physical facts and which overcomes our feeling of alienation from the universe .