Philosophy of the Unconscious of the scales, and his 'World-process' in the other. There are some who believe they weigh equally; for in each scale there is an evil word—and a good joke." Hartmann's work has been seen as preparing the way for Freud's later theory of the unconscious. Freud consulted "Philosophy of the Unconscious" while writing "The Interpretation of Dreams" (1899), in which he called Hartmann the firmest opponent of the theory that dreams are wish fulfillments. The philosopher Hans Vaihinger was influenced by "Philosophy of the Unconscious", relating in his "The Philosophy of 'As if'" (1911) how it led him to Schopenhauer.
The Hill of Dreams of Dreams" was little noticed on its publication in 1907 save in a glowing review by Alfred Douglas. It was actually written between 1895 and 1897 and has elements of the style of the decadent and aesthetic movement of the period, seen through Machen's own mystical preoccupations. Lord Dunsany admired "The Hill of Dreams" and wrote an introduction to a 1954 reprint of the novel. In "Henry and June", Henry Miller tells Anaïs Nin about "The Hill of Dreams". According to the Friends of Arthur Machen website, the novel is The Hill of Dreams The Hill of Dreams is a