The Doors of Perception is an autobiographical book written by Aldous Huxley. Published in 1954, …
“If the doors of perception were cleansed every thing would appear to man as it is, Infinite. For man has closed himself up, till he sees all things thro' narrow chinks of his cavern.”
— The Doors of Perception and Heaven and Hell by Aldous Huxley (Page 0)
William Blake, The Marriage of Heaven and Hell