Writer revolutionary effect are Nicolaus Copernicus, who wrote "De revolutionibus orbium coelestium" (1543); Charles Darwin, who wrote "On the Origin of Species" (1859); and Sigmund Freud, who wrote "The Interpretation of Dreams" (1899). These three highly influential, and initially very controversial, works changed the way people understood their place in the world. Copernicus's heliocentric view of the cosmos displaced humans from their previously accepted place at the centre of the universe; Darwin's evolutionary theory placed humans firmly within, as opposed to above, the order of nature; and Freud's ideas about the power of the unconscious mind overcame the belief that humans
Dream interpretation would be effected through divine grace by incubating dreams within the confines of the temple. Dreams were also considered prophetic or omens of particular significance. Artemidorus of Daldis, who lived in the 2nd century AD, wrote a comprehensive text "Oneirocritica (The Interpretation of Dreams)". Although Artemidorus believed that dreams can predict the future, he presaged many contemporary approaches to dreams. He thought that the meaning of a dream image could involve puns and could be understood by decoding the image into its component words. For example, Alexander, while waging war against the Tyrians, dreamt that a satyr was dancing on