''With an utter depression of soul which I can compare to no earthly sensation more properly than to the after-dream of the reveller upon opium -the bitter lapse into common life-the hideous dropping off of the veil..What was it -I paused to think -what was it that so unnerved me in the contemplation of The House of Usher? -
The Fall of The House of Usher. The Norton Anthology Of American Literature (sixth edition)