A merchant from Ephesus told Artemidorus of Daldis that he had dreamed of a ship sinking in a storm. Artemidorus, the second-century author of the Oneirocritica — the most complete dream manual of the ancient world — asked three questions before he gave an answer. Was the merchant the ship’s owner? Did he sail for profit or passage? Was the ship still in port when it sank? The answers shifted the meaning entirely. The dream was not a prophecy of drowning. It was a message about a business partnership that had already failed, encoded in an image the conscious mind could not ignore.
The relationship between dream symbols and the subconscious is that the subconscious uses imagery to communicate information the waking mind suppresses, distorts, or cannot access in linear thought. A symbol is not a riddle with one answer. It is a compression of feeling, memory, and instinct into a single image that bypasses the rational gatekeeper. Understanding this relationship requires knowing how the link was forged, how it has been read across cultures, and how it can be worked with today.
Where the Link Between Dream and Symbol Was First Mapped
The idea that dreams speak in symbols is older than writing. The earliest known dream records — Sumerian tablets from the third millennium BCE, already treat images as messages from gods or the dead. A king dreaming of a lone tree struck by lightning was not a random event; it was a prediction of dynastic collapse. But the first systematic attempt to classify dream symbols and their meanings came from Artemidorus of Daldis in the second century CE. His Oneirocritica catalogued hundreds of dream images and gave rules for interpretation: the same symbol could mean opposite things depending on the dreamer’s status, profession, and emotional state. A snake in a rich man’s dream meant a new enemy; in a poor man’s dream, a new source of nourishment.
The medieval period inherited Artemidorus through Arabic translations. The 10th-century Persian physician Muhammad ibn Zakariya al-Razi wrote that dreams were “the soul’s reasoning during sleep, stripped of the body’s distractions.” He used dream symbols to diagnose physical illness. A dream of fire, he said, often preceded a fever. By the 17th century, oneiromancy, dream divination, had become a genre of printed books across Europe, with titles like The Fifteen Signs of Dreams (1656) pairing symbols with fixed meanings: a white horse meant health, a black horse meant death.
The modern leap came in 1899 with Sigmund Freud’s The Interpretation of Dreams. Freud argued that dream symbols are the “royal road to the subconscious”, censored wishes and repressed memories disguised as images to avoid waking anxiety. A dream of climbing stairs, he wrote, was almost always a sexual symbol. His former student Carl Jung rejected the idea that all symbols reduce to repressed sexuality. For Jung, dream symbols are the spontaneous language of the unconscious, rich with archetypes, universal images like the shadow, the wise old man, the mother, that appear across cultures and time. The relationship, Jung said, is not one of disguise but of expression: the subconscious speaks in the language it knows best, which is image, not word.
What a Dream Symbol Actually Carries
A symbol is not a memory. It is a compressed package of emotion, association, and bodily sensation. When we dream of being chased, the subconscious is not replaying a scene from childhood. It is bundling the feeling of threat, the memory of a past escape, and the physical sensation of a racing heart into a single narrative image. The image is the carrier. The feelings are the cargo.
This is why the same symbol can mean different things to different dreamers. A snake in a dream where the dreamer feels fear usually points to something threatening, a person, a situation, an internal conflict, that the conscious mind has not fully acknowledged. A snake in a dream where the dreamer feels curiosity or calm often points to transformation, healing, or hidden knowledge. The symbol does not change. The emotional charge changes the meaning.
Practitioners of dream work in the Western esoteric tradition have long treated this as a deliberate feature. The 17th-century English astrologer-physician Simon Forman kept a dream journal of over 1,200 entries, noting symbols and their outcomes. He recorded that a dream of losing a tooth predicted a death in the household if the dreamer tasted blood, but a minor embarrassment if the dreamer did not. The difference was in the sensory detail the subconscious added.
We keep our own records similarly. The symbol is not the answer. The symbol is the starting point for a conversation with the part of the mind that does not think in sentences.
The work begins before sleep. Dream incubation, the deliberate request for a dream on a specific topic, is one of the oldest practices in the tradition. The Greek magical papyri from Roman Egypt contain instructions for incubation: a purification fast, a prayer to Serapis, and a request spoken aloud before sleep. The dream that followed was understood as a direct answer from the god, delivered in symbols the dreamer had to interpret.
Modern practice follows the same structure without the god. We set an intention. We write the question on paper. We place it under the pillow or beside the bed. The subconscious takes the question and returns an image, not a paragraph.
The next step is recording. The dream journal is the primary tool. We write immediately upon waking, even if the dream seems nonsense. The image that fades first is often the most important. We do not interpret while writing. We only record: the sequence of images, the dominant emotion, the sensory details (temperature, color, texture). Later, we read the entry and ask three questions, imitating Artemidorus. What was the strongest feeling? What was the context, what happened in the waking life within the previous 24 hours? What personal associations does the image carry that are not in any dream dictionary?
Active imagination, a method Jung developed between 1913 and 1916, serves as the next stage. We return to the dream image while awake, close our eyes, and let it unfold further. The subconscious continues the narrative. A locked door in the dream, when revisited, may open. The figure behind the door may speak. The dialogue is the interpretation.
Dream Divination vs. Dream Psychology: Two Approaches to the Same Link
The relationship between dream symbols and the subconscious has been read through two different lenses. The divinatory lens, dominant in the ancient and medieval worlds, treats the symbol as a message from outside the dreamer, a god, an ancestor, or the cosmos. The psychological lens, dominant since Freud, treats the symbol as a message from inside the dreamer, the unconscious mind.
Both are valid. They are not contradictory. The divinatory approach assumes the subconscious is not a closed system. It is porous to forces the rational mind cannot measure. The psychological approach assumes the subconscious is a personal archive that can be explored. We do not choose one over the other. We hold both as tools. A dream of a dead relative may be the psyche processing grief (psychological) or it may be a visitation from the dead (divinatory). The symbol is the same. The relationship is the same. The interpretation differs based on the framework.
Notable figures in the esoteric tradition, such as the 19th-century French occultist Éliphas Lévi, argued that dream symbols are the language of the astral light, a universal medium that connects all minds. Lévi wrote in Dogme et Rituel de la Haute Magie (1856) that the subconscious is not a personal attic but a planetary reservoir. The symbol draws from that reservoir. This is why certain images, the labyrinth, the serpent, the tree of life, recur across unrelated cultures.
The most common error is the belief that dream symbols have fixed meanings. The internet is full of dream dictionaries that assign a single meaning to each image: “Dreaming of water means emotion.” That is not how the subconscious works. Water in a dream of drowning is not the same as water in a dream of drinking from a clear spring. The context, the emotion, and the dreamer’s waking life reshape the symbol every time.
A second error is the assumption that all symbols are archetypal. Some symbols are personal. A dream of a specific red car may mean nothing to anyone except the dreamer, who associates that car with a childhood accident. The subconscious uses whatever is at hand.
A third error is the idea that the subconscious hides meaning in symbols to be decoded. The subconscious does not hide. It reveals. The symbol is the revelation. The difficulty is not that the message is encrypted. It is that the conscious mind does not want to hear it. The dream of being chased is not a cipher. It is a direct statement: you are running from something.
FAQ
Can dream symbols predict the future? Some traditions say yes, particularly in oneiromancy and the works of Artemidorus. The predictive power, however, is not literal. The symbol shows the trajectory of current forces, not a fixed event.
Why do I keep dreaming of the same symbol? Recurring symbols indicate a message the conscious mind has not integrated. The dream repeats because the link between the symbol and the waking issue has not been resolved.
Should I use a dream dictionary? A dream dictionary can be a starting point for associations, but never a final answer. The most accurate interpretation comes from the dreamer’s own emotional response to the symbol.
Can I control what I dream? Dream incubation can increase the likelihood of a specific dream theme, but the subconscious will always choose its own symbols. The request is a suggestion, not a command.
The relationship between dream symbols and the subconscious is not a theory. It is a practice. Every night we enter a state where the rational mind loosens its grip and the image-making faculty takes over. The symbols that appear are not decorations. They are the language of a mind that does not think in words. The work is to learn that language, not by translating it into fixed meanings, but by listening to what each image carries.
For a deeper exploration of how to interpret specific symbols, see our glossary of dream symbols. For the method of asking for a dream on a specific question, read our guide on dream incubation. And for the broader framework of dream work as a divinatory and psychological tool, return to the dream interpretation hub.