Mark Vernon
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Cleanse the Doors of Perception! But what did William Blake mean?

9 August 2025. From the archive of Mark's older writing; new posts are on Substack.


Details from The Marriage of Heaven and Hell. Image: Library of Congress

“If the doors of perception were cleansed every thing would appear to man as it is, infinite.” Thus wrote William Blake, making the doors of perception one his best known metaphors. Jim Morrison named a band after it, Aldous Huxley a book, and nowadays it is cited in contexts ranging from game theory to psychedelics.

But what did Blake mean by said “doors”? Wouldn’t “windows” of perception have made more sense, for who ever thought they might see through a door anyway?

Continue reading at my Substack, A Golden String.