The allegory of the cave, or Plato's Cave, is an allegory presented by the Greek philosopher Plato in his work Republic (514a–520a) to compare "the effect of education (παιδεία) and the lack of it on our nature". It is written as a dialogue between Plato's brother Glaucon and his mentor Socrates, narrated by the latter. The allegory is presented after the analogy of the sun (508b–509c) and the analogy of the divided line (509d–511e).
In the allegory, Socrates describes a group of people who have lived chained to the wall of a cave all of their lives, facing a blank wall. The people watch shadows projected on the wall from objects passing in front of a fire behind them and give names to these shadows. The shadows are the prisoners' reality but are not accurate representations of the real world. Three higher levels exist: the natural sciences; mathematics, geometry, and deductive logic; and the theory of forms.
Socrates explains how the philosopher is like a prisoner who is freed from the cave and comes to understand that the shadows on the wall are not reality at all. A philosopher aims to understand and perceive the higher levels of reality. However, the other inmates of the cave do not even desire to leave their prison, for they know no better life.
Imprisonment in the cave
Plato begins by having Socrates ask Glaucon to imagine a cave where people have been imprisoned from childhood, but not from birth. These prisoners are chained so that their legs and necks are fixed, forcing them to gaze at the wall in front of them and not to look around at the cave, each other, or themselves (514a–b). Behind the prisoners is a fire, and between the fire and the prisoners is a raised walkway with a low wall, behind which people walk carrying objects or puppets "of men and other living things" (514b). The people walk behind the wall so their bodies do not cast shadows for the prisoners to see, but the objects they carry do ("just as puppet showmen have screens in front of them at which they work their puppets" (514a)). The prisoners cannot see any of what is happening behind them, they are only able to see the shadows cast upon the cave wall in front of them. The sounds of the people talking echo off the walls, and the prisoners believe these sounds come from the shadows (514c).
Socrates suggests that the shadows are reality for the prisoners because they have never seen anything else; they do not realize that what they see are shadows of objects in front of a fire, much less that these objects are inspired by real things outside the cave which they do not see (514b–515a).
The fire, or human made light, and the puppets, used to make shadows, are done by the artists. This can be compared to how illusions are made with light and sound today, with electronics, videos, movies, and 3D visuals. Plato, however, indicates that the fire is also the political doctrine that is taught in a nation state. The artists use light and shadows to teach the dominant doctrines of a time and place.
Also, few humans will ever escape the cave. This is not some easy task, and only a true philosopher, with decades of preparation, would be able to leave the cave, up the steep incline. Most humans will live at the bottom of the cave, and a small few will be the major artists that project the shadows with the use of human-made light.
Departure from the cave
Plato then supposes that one prisoner is freed. This prisoner would look around and see the fire. The light would hurt his eyes and make it difficult for him to see the objects casting the shadows. If he were told that what he is seeing is real instead of the other version of reality he sees on the wall, he would not believe it. In his pain, Plato continues, the freed prisoner would turn away and run back to what he is accustomed to (that is, the shadows of the carried objects). He writes "... it would hurt his eyes, and he would escape by turning away to the things which he was able to look at, and these he would believe to be clearer than what was being shown to him."
Plato continues: "Suppose... that someone should drag him... by force, up the rough ascent, the steep way up, and never stop until he could drag him out into the light of the sun." The prisoner would be angry and in pain, and this would only worsen when the radiant light of the sun overwhelms his eyes and blinds him.
"Slowly, his eyes adjust to the light of the sun. First he can only see shadows. Gradually he can see the reflections of people and things in water and then later see the people and things themselves. Eventually, he is able to look at the stars and moon at night until finally he can look upon the sun itself (516a)." Only after he can look straight at the sun "is he able to reason about it" and what it is (516b). (See also Plato's analogy of the sun, which occurs near the end of The Republic, Book VI.)
Return to the cave
Plato continues, saying that the freed prisoner would think that the world outside the cave was superior to the world he experienced in the cave and attempt to share this with the prisoners remaining in the cave attempting to bring them onto the journey he had just endured; "he would bless himself for the change, and pity [the other prisoners]" and would want to bring his fellow cave dwellers out of the cave and into the sunlight (516c).
The returning prisoner, whose eyes have become accustomed to the sunlight, would be blind when he re-enters the cave, just as he was when he was first exposed to the sun (516e). The prisoners, according to Plato, would infer from the returning man's blindness that the journey out of the cave had harmed him and that they should not undertake a similar journey. Plato concludes that the prisoners, if they were able, would therefore reach out and kill anyone who attempted to drag them out of the cave (517a).
The allegory contains many forms of symbolism used to instruct the reader in the nature of perception. The cave represents superficial physical reality. It also represents ignorance, as those in the cave live accepting what they see at face value. Ignorance is further represented by the darkness that engulfs them because they cannot know the true objects that form the shadows, leading them to believe the shadows are the true forms of the objects. The chains that prevent the prisoners from leaving the cave represent that they are trapped in ignorance, as the chains are stopping them from learning the truth. The shadows cast on the walls of the cave represent the superficial truth, which is the illusion that the prisoners see in the cave. The freed prisoner represents those who understand that the physical world is only a shadow of the truth, and the sun that is glaring the eyes of the prisoners represents the higher truth of ideas. The light further represents wisdom, as even the paltry light that makes it into the cave allows the prisoners to know shapes.
Themes in the allegory appearing elsewhere in Plato's work
The allegory is probably related to Plato's theory of Forms, according to which the "Forms" (or "Ideas"), and not the material world known to us through sensation, possess the highest and most fundamental kind of reality. Only knowledge of the Forms constitutes real knowledge or what Socrates considers "the good". Socrates informs Glaucon that the most excellent people must follow the highest of all studies, which is to behold the Good. Those who have ascended to this highest level, however, must not remain there but must return to the cave and dwell with the prisoners, sharing in their labors and honors.
Plato's Phaedo contains similar imagery to that of the allegory of the cave; a philosopher recognizes that before philosophy, his soul was "a veritable prisoner fast bound within his body... and that instead of investigating reality of itself and in itself is compelled to peer through the bars of a prison."
Scholars debate the possible interpretations of the allegory of the cave, either looking at it from an epistemological standpoint—one based on the study of how Plato believes we come to know things—or through a political (politeia) lens. Much of the scholarship on the allegory falls between these two perspectives, with some completely independent of either. The epistemological view and the political view, fathered by Richard Lewis Nettleship and A. S. Ferguson, respectively, tend to be discussed most frequently. Nettleship interprets the allegory of the cave as representative of our innate intellectual incapacity, in order to contrast our lesser understanding with that of the philosopher, as well as an allegory about people who are unable or unwilling to seek truth and wisdom.[A] Ferguson, on the other hand, bases his interpretation of the allegory on the claim that the cave is an allegory of human nature and that it symbolizes the opposition between the philosopher and the corruption of the prevailing political condition.
Cleavages have emerged within these respective camps of thought, however. Much of the modern scholarly debate surrounding the allegory has emerged from Martin Heidegger's exploration of the allegory, and philosophy as a whole, through the lens of human freedom in his book The Essence of Human Freedom: An Introduction to Philosophy and The Essence of Truth: On Plato's Cave Allegory and Theaetetus. In response, Hannah Arendt, an advocate of the political interpretation of the allegory, suggests that through the allegory, Plato "wanted to apply his own theory of ideas to politics". Conversely, Heidegger argues that the essence of truth is a way of being and not an object. Arendt criticised Heidegger's interpretation of the allegory, writing that "Heidegger…is off base in using the cave simile to interpret and 'criticize' Plato's theory of ideas".
Various scholars also debate the possibility of a connection between the work in the allegory and the cave and the work done by Plato considering the analogy of the divided line and the analogy of the sun. The divided line is a theory presented to us in Plato's work the Republic. This is displayed through a dialogue given between Socrates and Glaucon. In which they explore the possibility of a visible and intelligible world. With the visible world consisting of items such as shadows and reflections (displayed as AB) then elevating to the physical item itself (displayed as BC) while the intelligible world consists of mathematical reasoning (displayed by CD) and philosophical understanding (displayed by DE). Many seeing this as an explanation to the way in which the prisoner in the allegory of the cave goes through the journey. First in the visible word with shadows such as those on the wall. Socrates suggests that the shadows are reality for the prisoners because they have never seen anything else; they do not realize that what they see are shadows of objects in front of a fire, much less that these objects are inspired by real things outside the cave which they do not see then the realization of the physical with the understanding of concepts such as the tree being separate from its shadow. It enters the intelligible world as the prisoner looks at the sun. Leading to the Analogy of the Sun.
The Analogy of the Sun refers to the moment in book six in which Socrates after being urged by Glaucon to define goodness purposes instead, an analogy through a "child of goodness". Socrates reveals this "child of goodness" to be the sun, proposing that just as the sun illuminates, bestowing the ability to see and be seen by the eye,:169 with its light so the idea of goodness illumines the intelligible with truth. Leading some scholars to believe this forms a connection of the sun and the intelligible world within the realm of the allegory of the cave.
The themes and imagery of Plato's cave have appeared throughout Western thought and culture. Some examples include:
- Francis Bacon used the term "Idols of the Cave" to refer to errors of reason arising from the idiosyncratic biases and preoccupations of individuals.
- Thomas Browne in his 1658 discourse Urn Burial stated: "A Dialogue between two Infants in the womb concerning the state of this world, might handsomely illustrate our ignorance of the next, whereof methinks we yet discourse in Platoes denne, and are but Embryon Philosophers".
- Evolutionary biologist Jeremy Griffith's book A Species In Denial includes the chapter "Deciphering Plato's Cave Allegory".
- The films The Conformist, The Matrix, Cube, Dark City, The Truman Show, Us and City of Ember model Plato's allegory of the cave.
- The 2013 movie After the Dark has a segment where Mr. Zimit likens James' life to the Allegory of the Cave. This segment in the movie is at 1:05:36 – 1:07:00, and there's also a soundtrack named "Plato's Cave" on the OST album.
- The Cave by José Saramago culminates in the discovery of Plato's Cave underneath the Center, "an immense complex fusing the functions of an office tower, a shopping mall and a condominium."
- Emma Donoghue acknowledges the influence of Plato's allegory of the cave on her novel Room.
- Ray Bradbury's novel Fahrenheit 451 explores the themes of reality and perception also explored in Plato's allegory of the cave and Bradbury references Plato's work in the novel.
- José Carlos Somoza's novel The Athenian Murders is presented as a murder mystery but features many references to Plato's philosophy including the allegory of the cave.
- Novelist James Reich argues Nicholas Ray's film Rebel Without a Cause, starring James Dean, Natalie Wood, and Sal Mineo as John "Plato" Crawford is influenced by and enacts aspects of the allegory of the cave.
- In an episode of the television show Legion, entitled "Chapter 16", the narrator uses Plato's Cave to explain "the most alarming delusion of all", narcissism.
- H. G. Wells's short novel The Country of the Blind has a similar "Return to the Cave" situation when a man accidentally discovers a village of blind people and wherein he tries to explain how he can "see", only to be ridiculed and laughed at.
- Daniel F. Galouye's post-apocalyptic novel Dark Universe describes the Survivors, who live underground in total darkness, using echolocation to navigate. Another race of people evolve, who are able to see using infrared.
- C.S. Lewis's novels The Silver Chair and The Last Battle both reference the ideas and imagery of the Cave. In the former in Chapter 12, the Witch dismisses the idea of a greater reality outside the bounds of her Underworld. In The Last Battle most of the characters learn that the Narnia which they have known is but a 'shadow' of the true Narnia. Lord Digory says in Chapter 15, "It's all in Plato, all in Plato.."
- In season 1, episode 2 of the 2015 Catalan television series Merlí, titled "Plato," a high school philosophy teacher demonstrates the allegory using household objects for a non-verbal, agoraphobic student, and makes a promise to him that "I'll get you out of the cave."
- Allegorical interpretations of Plato
- Analogy of the sun
- Analogy of the divided line
- Brain in a vat
- The Form of the Good
- Intelligibility (philosophy)
- Nous – Noumenon
- Plato's Republic in popular culture
- Ferguson, A. S. "Plato's Simile of Light. (Part II.) The Allegory of the Cave (Continued)". The Classical Quarterly 16, no. 1 (1922): 15–28. JSTOR 636164.
- Plato. Rouse, W.H.D. (ed.). The Republic Book VII. Penguin Group Inc. pp. 365–401.
- Jowett, B. (ed.) (1941). Plato's The Republic. New York: The Modern Library. OCLC 964319.
- Malcolm, John (1962-01-01). "The Line and the Cave". Phronesis. 7 (1): 38–45. doi:10.1163/156852862x00025. ISSN 0031-8868.
- Cohen, S Marc (2006). "The Allegory of the Cave". washington.edu. Retrieved 6 May 2020.
- Watt, Stephen (1997), "Introduction: The Theory of Forms (Books 5–7)", Plato: Republic, London: Wordsworth Editions, pp. xiv–xvi, ISBN 978-1-85326-483-2
- Elliott, R. K. (1967). "Socrates and Plato's Cave". Kant-Studien. 58 (2): 138. doi:10.1515/kant.1967.58.1-4.137. S2CID 170201374.
- Hall, Dale. "INTERPRETING PLATO'S CAVE AS AN ALLEGORY OF THE HUMAN CONDITION." Apeiron: A Journal for Ancient Philosophy and Science 14, no. 2 (1980): 74-86. http://www.jstor.org/stable/40913453.
- McNiell, William. "Notre Dame Philosophical Reviews." The Essence of Human Freedom: An Introduction to Philosophy and The Essence of Truth: On Plato's Cave Allegory and Theaetetus // Reviews // Notre Dame Philosophical Reviews // University of Notre Dame. Accessed December 09, 2016. http://ndpr.nd.edu/news/23227/.
- Abensour, Miguel. Against the Sovereignty of Philosophy over Politics: Arendt's Reading of Plato's Cave Allegory Social Research; Winter 2007; 74, 4; ProQuest Social Sciences Premium Collection pg. 955
- Powell, Sally. "Discovering the Unhidden: Heidegger's Interpretation of Plato's Allegory of the Cave and Its Implications for Psychotherapy." Existential Analysis 22, no. 1 (January 2011). Accessed December 8, 2016.
- Plato, The Republic, Book 6, translated by Benjamin Jowett, online Archived 18 April 2009 at the Wayback Machine
- Raven, J. E. “Sun, Divided Line, and Cave.” The Classical Quarterly, vol. 3, no. 1/2, 1953, pp. 22–32. JSTOR, https://www.jstor.org/stable/637158.
- "divided line," The Cambridge Dictionary of Philosophy, 2nd edition, Cambridge University Press, 1999, ISBN 0-521-63722-8, p. 239.
- Pojman, Louis & Vaughn, L. (2011). Classics of Philosophy. New York: Oxford University Press, Inc.
- Griffith, Jeremy (2003). A Species in Denial. Sydney: WTM Publishing & Communications. p. 83. ISBN 978-1-74129-000-4. Archived from the original on 2013-10-29. Retrieved 2013-04-01.
- The Matrix and Philosophy: Welcome to the Desert of the Real by William Irwin. Open Court Publishing, 2002. ISBN 0-8126-9501-1. "Written for those fans of the film who are already philosophers."
- "Prisoners of Plato in The Conformist". YouTube. Retrieved 2018-05-31.
- After the Dark - Allegory to the Cave / Plato's Cave CLIP, retrieved 2019-10-30
- Keates, Jonathan. "Shadows on the Wall". The New York Times. Retrieved 24 November 2002.
- "Q & A with Emma Donoghue – Spoiler-friendly Discussion of Room (showing 1–50 of 55)". www.goodreads.com. Retrieved 2016-01-30.
- "Parallels between Ray Bradbury's Fahrenheit 69 and Plato's 'Allegory of the Cave'". Archived from the original on 2019-06-06.
- Bradbury, Ray (1953). Fahrenheit 451. The Random House Publishing Group. p. 151. ISBN 978-0-758-77616-7.
- Somoza, Jose Carlos (2003). The Athenian Murders. ABACUS. ISBN 978-0349116181.
- "Plato's Cave: Rebel Without a Cause and Platonic Allegory – OUTSIDER ACADEMY". Retrieved 2017-06-25.[permanent dead link]
[A] Nettleship, Richard Lewis (1955). "Chapter 4 - The four stages of intelligence". Lectures On The Republic Of Plato (2nd ed.). London: Macmillan & Co.
The following is a list of supplementary scholarly literature on the Allegory of the cave that includes articles from epistemological, political, alternative, and independent viewpoints on the allegory:
- Alan Kim: Shades of Truth: Phenomenological Perspectives on the Allegory of the Cave
- Gabriel Zamosc: The Political Significance of Plato's Allegory of the Cave
- Dimitra Mitta: Reading Platonic Myths from a Ritualistic Point of View: Gyges' Ring and the Cave Allegory
- William McNiell: The Essence of Human Freedom: An Introduction to Philosophy and the Essence of Truth: On Plato's Cave Allegory and Thaetetus
- Maureen Eckert: Cinematic Spelunking Inside Plato's Cave
- Boaz Tsabar: "Poverty and Resourcefulness": On the Formative Significance of Eros in Educational Practice
- J. Malcolm: The Cave Revisited
- N. R. Murphy: The 'Simile of Light' in Plato's Republic
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