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100-477: The concept derives from the philosophy of Plato : the word 'astral' means 'of the stars'; thus the astral plane consists of the Seven Heavens of the classical planets . The idea is rooted in common worldwide religious accounts of the afterlife in which the soul's journey or "ascent" is described in such terms as "an ecstatic, mystical or out-of body experience, wherein the spiritual traveller leaves

200-611: A "fiery and starry nature." He also refers to it as the 'astral body,' intermediate between spirit and the body of matter. Such ideas greatly influenced the Renaissance medicine of Paracelsus (1493–1541) and Servetus (1509/11–1553). John Dee (1527–1608/9), a student of Ficino, based his natural philosophy on Ficino and the Medieval optical theories of Roger Bacon , William of Ockham , John Peckham , and Vitello ; according to Szulakowska "specifically for his ideas concerning

300-486: A Platonist or Pythagorean, in that such a one would have "the viewpoint of logical simplicity as an indispensable and effective tool of his research." British philosopher Alfred N. Whitehead is often misquoted of uttering the famous saying of "All of Western philosophy is a footnote to Plato." Many recent philosophers have also diverged from what some would describe as ideals characteristic of traditional Platonism. Friedrich Nietzsche notoriously attacked Plato's "idea of

400-493: A belief in the immortality of the soul, and several dialogues end with long speeches imagining the afterlife . In the Timaeus , Socrates locates the parts of the soul within the human body: Reason is located in the head, spirit in the top third of the torso , and the appetite in the middle third of the torso, down to the navel . Furthermore, Plato evinces a belief in the theory of reincarnation in multiple dialogues (such as

500-400: A descendant of two kings, Codrus and Melanthus . His mother was Perictione , descendant of Solon , a statesman credited with laying the foundations of Athenian democracy . Plato had two brothers, Glaucon and Adeimantus , a sister, Potone , and a half brother, Antiphon. Plato may have travelled to Italy, Sicily , Egypt, and Cyrene . At 40, he founded a school of philosophy,

600-489: A different doctrine with respect to Forms to Plato and Socrates. Aristotle suggests that Socrates' idea of forms can be discovered through investigation of the natural world, unlike Plato's Forms that exist beyond and outside the ordinary range of human understanding. The Socratic problem concerns how to reconcile these various accounts. The precise relationship between Plato and Socrates remains an area of contention among scholars. Although Socrates influenced Plato directly,

700-483: A fellow disciple of Plato. A variety of sources have given accounts of Plato's death. One story, based on a mutilated manuscript, suggests Plato died in his bed, whilst a young Thracian girl played the flute to him. Another tradition suggests Plato died at a wedding feast. The account is based on Diogenes Laërtius's reference to an account by Hermippus, a third-century Alexandrian. According to Tertullian , Plato simply died in his sleep. According to Philodemus, Plato

800-571: A few people were capable or interested in following a reasoned philosophical discourse, but men in general are attracted by stories and tales. Consequently, then, he used the myth to convey the conclusions of the philosophical reasoning. Notable examples include the story of Atlantis , the Myth of Er , and the Allegory of the Cave . When considering the taxonomic definition of mankind , Plato proposed

900-428: A guide to understanding religion and the world. In the Myth of Er , particularly, Plato rendered an account of the afterlife which involved a journey through seven planetary spheres and then eventual reincarnation. He taught that man was composed of mortal body, immortal reason and an intermediate 'spirit'. Neoplatonists agreed as to the immortality of the rational soul but disagreed as to whether man's "irrational soul"

1000-587: A man is called 'the magical mirror of the universe'. For therein are represented all the occult forces of the universe projected as on a sphere..." Regardie connects the Sephiroth of the Qabalistic Tree of Life to this sphere as a microcosm of the universe. The Kabbalistic concept of the Nephesch (' psyche ') is seen as "the subtle body of refined Astral Light upon which, as on an invisible pattern,

1100-568: A manner which allows for no void, subtly permits no comparison, and is of a nature which is susceptible to receive, propagate, and communicate all impressions of movement." Mesmer's theories influenced the Spiritualist traditions. Helena Blavatsky (1831–1891) wrote of the Augoeides, though her own theories of the astral body were derived from the subtle body traditions of Eastern mysticism. The most substantial difference consisted in

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1200-477: A participant in any of the dialogues, and with the exception of the Apology , there is no suggestion that he heard any of the dialogues firsthand. Some dialogues have no narrator but have a pure "dramatic" form, some dialogues are narrated by Socrates himself, who speaks in the first person. The Symposium is narrated by Apollodorus, a Socratic disciple, apparently to Glaucon. Apollodorus assures his listener that he

1300-419: A tripartite class structure corresponding to the appetite/spirit/reason structure of the individual soul. The appetite/spirit/reason are analogous to the castes of society. According to Socrates, a state made up of different kinds of souls will, overall, decline from an aristocracy (rule by the best) to a timocracy (rule by the honourable), then to an oligarchy (rule by the few), then to a democracy (rule by

1400-431: Is a nickname . According to Diogenes Laërtius, writing hundreds of years after Plato's death, his birth name was Aristocles ( Ἀριστοκλῆς ), meaning 'best reputation'. "Platon" sounds like "Platus" or "Platos", meaning "broad", and according to Diogenes' sources, Plato gained his nickname either from his wrestling coach, Ariston of Argos, who dubbed him "broad" on account of his chest and shoulders, or he gained it from

1500-815: Is already implicitly known, or at exposing the contradictions and muddles of an opponent's position." Karl Popper , on the other hand, claims that dialectic is the art of intuition for "visualising the divine originals, the Forms or Ideas, of unveiling the Great Mystery behind the common man's everyday world of appearances". During the early Renaissance, the Greek language and, along with it, Plato's texts were reintroduced to Western Europe by Byzantine scholars. Some 250 known manuscripts of Plato survive. In September or October 1484 Filippo Valori and Francesco Berlinghieri printed 1025 copies of Ficino's translation, using

1600-482: Is also referenced by Jewish philosopher and Talmudic scholar Maimonides in his The Guide for the Perplexed . The works of Plato were again revived at the times of Islamic Golden ages with other Greek contents through their translation from Greek to Arabic. Neoplatonism was revived from its founding father, Plotinus. Neoplatonism, a philosophical current that permeated Islamic scholarship, accentuated one facet of

1700-687: Is broader than simply being a vehicle for astral travel — he writes that it is also the storehouse of all experience. The term 'body of light' is also used in Tibetan Buddhism , particularly in the Dzogchen and Mahamudra traditions. It is the usual translation of the Tibetan term, ′od lus , also known as the illusory body . Western scientists have started to explore the subtle body concept in relation to research on meditation. The subtle body model can be cross-referenced onto modern maps of

1800-502: Is by no means universally accepted, though Plato's works are still often characterized as falling at least roughly into three groups stylistically. Plato's unwritten doctrines are, according to some ancient sources, the most fundamental metaphysical teaching of Plato, which he disclosed only orally, and some say only to his most trusted fellows, and which he may have kept secret from the public, although many modern scholars doubt these claims. A reason for not revealing it to everyone

1900-599: Is for this reason, you know, that some are accustomed to say that his consciousness corresponds with the nature of the fixed stars, his reason in its contemplative aspect with Saturn and in its social aspect with Jupiter, (and) as to his irrational part, the passionate nature with Mars, the eloquent with Mercury, the appetitive with Venus, the sensitive with the Sun and the vegetative with the Moon. Such doctrines were commonplace in mystery-schools, Gnostic and Hermetic sects throughout

2000-502: Is partially discussed in Phaedrus where Plato criticizes the written transmission of knowledge as faulty, favouring instead the spoken logos : "he who has knowledge of the just and the good and beautiful ... will not, when in earnest, write them in ink, sowing them through a pen with words, which cannot defend themselves by argument and cannot teach the truth effectually." It is, however, said that Plato once disclosed this knowledge to

2100-412: Is recounting the story, which took place when he himself was an infant, not from his own memory, but as remembered by Aristodemus, who told him the story years ago. The Theaetetus is also a peculiar case: a dialogue in dramatic form embedded within another dialogue in dramatic form. Some scholars take this as an indication that Plato had by this date wearied of the narrated form. In most of the dialogues,

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2200-482: Is virtue. In the Republic , Plato poses the question, "What is justice?" and by examining both individual justice and the justice that informs societies, Plato is able not only to inform metaphysics, but also ethics and politics with the question: "What is the basis of moral and social obligation?" Plato's well-known answer rests upon the fundamental responsibility to seek wisdom, wisdom which leads to an understanding of

2300-535: The Gorgias and his ambivalence toward rhetoric expressed in the Phaedrus . But other contemporary researchers contest the idea that Plato despised rhetoric and instead view his dialogues as a dramatization of complex rhetorical principles. Plato made abundant use of mythological narratives in his own work; It is generally agreed that the main purpose for Plato in using myths was didactic. He considered that only

2400-538: The Laws features Socrates, although many dialogues, including the Timaeus and Statesman , feature him speaking only rarely. Leo Strauss notes that Socrates' reputation for irony casts doubt on whether Plato's Socrates is expressing sincere beliefs. Xenophon 's Memorabilia and Aristophanes 's The Clouds seem to present a somewhat different portrait of Socrates from the one Plato paints. Aristotle attributes

2500-660: The Republic was prototypically totalitarian ; this has been disputed. Edmund Gettier famously demonstrated the Gettier problem for the justified true belief account of knowledge. That the modern theory of justified true belief as knowledge, which Gettier addresses, is equivalent to Plato's is, however, accepted only by some scholars but rejected by others. Primary sources (Greek and Roman) Secondary sources Synesius Synesius of Cyrene ( / s ɪ ˈ n iː s i ə s / ; Greek : Συνέσιος ; c. 373 – c. 414)

2600-667: The Academy . It was located in Athens, on a plot of land in the Grove of Hecademus or Academus , named after an Attic hero in Greek mythology . The Academy operated until it was destroyed by Sulla in 84 BC. Many philosophers studied at the Academy, the most prominent being Aristotle. According to Diogenes Laërtius , throughout his later life, Plato became entangled with the politics of

2700-531: The Meno , Socrates uses a geometrical example to expound Plato's view that knowledge in this latter sense is acquired by recollection. Socrates elicits a fact concerning a geometrical construction from a slave boy, who could not have otherwise known the fact (due to the slave boy's lack of education). The knowledge must be of, Socrates concludes, an eternal, non-perceptible Form. Plato also discusses several aspects of epistemology . In several dialogues, Socrates inverts

2800-452: The Phaedo and Timaeus ). Scholars debate whether he intends the theory to be literally true, however. He uses this idea of reincarnation to introduce the concept that knowledge is a matter of recollection of things acquainted with before one is born, and not of observation or study. Keeping with the theme of admitting his own ignorance, Socrates regularly complains of his forgetfulness. In

2900-665: The Renaissance , George Gemistos Plethon brought Plato's original writings to Florence from Constantinople in the century of its fall. Many of the greatest early modern scientists and artists who broke with Scholasticism , with the support of the Plato-inspired Lorenzo (grandson of Cosimo), saw Plato's philosophy as the basis for progress in the arts and sciences. The 17th century Cambridge Platonists , sought to reconcile Plato's more problematic beliefs, such as metempsychosis and polyamory, with Christianity. By

3000-773: The Scholastic philosophers referred to Aristotle as "the Philosopher". The only Platonic work known to western scholarship was Timaeus , until translations were made after the fall of Constantinople , which occurred during 1453. However, the study of Plato continued in the Byzantine Empire , the Caliphates during the Islamic Golden Age , and Spain during the Golden age of Jewish culture . Plato

3100-462: The astral mysticism of the classical world the human psyche was composed of the same material, thus accounting for the influence of the stars upon human affairs. In his commentaries on Plato's Timaeus , Proclus wrote; Man is a little world (mikros cosmos). For, just like the Whole, he possesses both mind and reason, both a divine and a mortal body. He is also divided up according to the universe. It

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3200-563: The central nervous system , and applied in research on meditation. Plato Plato ( / ˈ p l eɪ t oʊ / PLAY -toe ; Greek : Πλάτων, Plátōn , born c.  428-423 BC, died 348 BC), was an ancient Greek philosopher of the Classical period who is considered a foundational thinker in Western philosophy and an innovator of the written dialogue and dialectic forms. He raised problems for what became all

3300-627: The justified true belief definition in the Theaetetus , concluding that justification (or an "account") would require knowledge of difference , meaning that the definition of knowledge is circular . In the Sophist , Statesman , Republic , Timaeus , and the Parmenides , Plato associates knowledge with the apprehension of unchanging Forms and their relationships to one another (which he calls "expertise" in dialectic), including through

3400-457: The metaphysical tradition that strongly influenced Plato and continues today. Heraclitus viewed all things as continuously changing , that one cannot "step into the same river twice" due to the ever-changing waters flowing through it, and all things exist as a contraposition of opposites. According to Diogenes Laërtius, Plato received these ideas through Heraclitus' disciple Cratylus . Parmenides adopted an altogether contrary vision, arguing for

3500-435: The "twin pillars of Platonism" as the theory of Forms, on the one hand, and, on the other hand, the doctrine of immortality of the soul. In the dialogues Socrates regularly asks for the meaning of a general term (e. g. justice, truth, beauty), and criticizes those who instead give him particular examples, rather than the quality shared by all examples. "Platonism" and its theory of Forms (also known as 'theory of Ideas') denies

3600-464: The 19th century, Plato's reputation was restored, and at least on par with Aristotle's. Plato's influence has been especially strong in mathematics and the sciences. Plato's resurgence further inspired some of the greatest advances in logic since Aristotle, primarily through Gottlob Frege . Albert Einstein suggested that the scientist who takes philosophy seriously would have to avoid systematization and take on many different roles, and possibly appear as

3700-571: The 1st century AD: Axiochus , Definitions , Demodocus , Epigrams , Eryxias , Halcyon , On Justice , On Virtue , Sisyphus . No one knows the exact order Plato's dialogues were written in, nor the extent to which some might have been later revised and rewritten. The works are usually grouped into Early (sometimes by some into Transitional ), Middle , and Late period; The following represents one relatively common division amongst developmentalist scholars. Whereas those classified as "early dialogues" often conclude in aporia ,

3800-755: The Form of the Good. Plato views "The Good" as the supreme Form, somehow existing even "beyond being". In this manner, justice is obtained when knowledge of how to fulfill one's moral and political function in society is put into practice. The dialogues also discuss politics. Some of Plato's most famous doctrines are contained in the Republic as well as in the Laws and the Statesman . Because these opinions are not spoken directly by Plato and vary between dialogues, they cannot be straightforwardly assumed as representing Plato's own views. Socrates asserts that societies have

3900-564: The Forms are the causes of everything else, he [i.e. Plato] supposed that their elements are the elements of all things. Accordingly, the material principle is the Great and Small [i.e. the Dyad], and the essence is the One ( τὸ ἕν ), since the numbers are derived from the Great and Small by participation in the One". "From this account it is clear that he only employed two causes: that of the essence, and

4000-626: The Forms were the truths of geometry , such as the Pythagorean theorem . The theory of Forms is first introduced in the Phaedo dialogue (also known as On the Soul ), wherein Socrates disputes the pluralism of Anaxagoras , then the most popular response to Heraclitus and Parmenides. For Plato, as was characteristic of ancient Greek philosophy, the soul was that which gave life. Plato advocates

4100-543: The Golden Dawn and by Aleister Crowley , who believed himself to be Lévi's reincarnation and promoted a number of ideas from his works, including his idea of the true self or True Will , much of his system of ceremonial magic , and his theories of the astral plane and the body of light. The Hermetic Order of the Golden Dawn , a secret magical order originating in 1888 in Victorian England , describes

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4200-542: The Islamic context, Neoplatonism facilitated the integration of Platonic philosophy with mystical Islamic thought, fostering a synthesis of ancient philosophical wisdom and religious insight. Inspired by Plato's Republic, Al-Farabi extended his inquiry beyond mere political theory, proposing an ideal city governed by philosopher-kings . Many of these commentaries on Plato were translated from Arabic into Latin and as such influenced Medieval scholastic philosophers. During

4300-604: The Neoplatonic tradition of Proclus, Iamblichus, Plotinus, and Porphyry, though he credited Paracelsus as his source. He considered the astral light to be the medium of all light, energy, and movement, describing it in terms that recall both Mesmer and the luminiferous aether . Lévi's idea of the astral was to have much influence in the English-speaking world due to being adopted by the Hermetic Order of

4400-533: The Pentapolis and the exemption from curial obligations for him, but then he fell in disgrace and Synesius lost everything. Later Aurelian returned in power, restoring his own grants to Synesius. The poet, then, composed Aegyptus sive de providentia , an allegory in which the good Osiris and the evil Typhon , who represent Aurelian and the Goth Gainas (ministers under Arcadius), strive for mastery, and

4500-463: The Pentapolis from the yearly attacks of neighbouring tribes. In 410 Synesius, whose Christianity had until then been by no means very pronounced, was popularly chosen to be bishop of Ptolemais, and, after long hesitation on personal and doctrinal grounds, he ultimately accepted the office thus thrust upon him, being consecrated by Theophilus at Alexandria. One personal difficulty at least was obviated by his being allowed to retain his wife, to whom he

4600-451: The Qur’anic conception of God—the transcendent—while seemingly neglecting another—the creative. This philosophical tradition, introduced by Al-Farabi and subsequently elaborated upon by figures such as Avicenna , postulated that all phenomena emanated from the divine source. It functioned as a conduit, bridging the transcendental nature of the divine with the tangible reality of creation. In

4700-583: The Roman Empire, and influenced the early Christian church. Paul's Second Epistle to the Corinthians contains a reference to the astral plane or astral projection : "I know a man in Christ who fourteen years ago was caught up to the third heaven. Whether it was in the body or out of the body I do not know—God knows." Neoplatonism is a branch of classical philosophy that uses the works of Plato as

4800-552: The ages. Through Neoplatonism , he also greatly influenced both Christian and Islamic philosophy . In modern times, Alfred North Whitehead famously said: "the safest general characterization of the European philosophical tradition is that it consists of a series of footnotes to Plato." There is a traditional story that Plato ( ‹See Tfd› Greek : Πλάτων , Plátōn , from Ancient Greek : πλατύς , romanized :  platys , lit.   'broad')

4900-463: The astral capsule. In the mid-nineteenth century the French occultist Éliphas Lévi (1810–1875) introduced the term 'astral light' in his Dogme et rituel de la haute magie (1856), and wrote of it as a factor he considered of key importance to magic, alongside the power of will and the doctrine of correspondences. Lévi developed a full theory of the 'sidereal body' which for the most part agrees with

5000-431: The body of light. Isaac Newton (1642–1726/27), despite his renown for his scientific pursuits, held an alchemist's perspective. In the early 18th century, he speculated that material bodies might be transformed into light, connecting this idea with the 'subtle body' of alchemy. Franz Anton Mesmer (1734–1815) borrowed from Newton's more occult theories with the intention of finding medical applications. He also built on

5100-558: The breadth of his eloquence, or his wide forehead. Philodemus , in extracts from the Herculaneum papyri , corroborates the claim that Plato was named for his "broad forehead". Seneca the Younger , writing hundreds of years after Plato's death, writes "His very name was given him because of his broad chest." According to the traditional story, Plato was originally named after his paternal grandfather, supposedly called Aristocles;

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5200-426: The causation of good and of evil". The most important aspect of this interpretation of Plato's metaphysics is the continuity between his teaching and the Neoplatonic interpretation of Plotinus or Ficino which has been considered erroneous by many but may in fact have been directly influenced by oral transmission of Plato's doctrine. A modern scholar who recognized the importance of the unwritten doctrine of Plato

5300-491: The character of a writer were attributed to that writer even when the actual author was unknown. The works taken as genuine in antiquity but are now doubted by at least some modern scholars are: Alcibiades I (*), Alcibiades II (‡), Clitophon (*), Epinomis (‡), Letters (*), Hipparchus (‡), Menexenus (*), Minos (‡), Lovers (‡), Theages (‡) The following works were transmitted under Plato's name in antiquity, but were already considered spurious by

5400-420: The city of Syracuse , where he attempted to replace the tyrant Dionysius , with Dionysius's brother-in-law, Dion of Syracuse , whom Plato had recruited as one of his followers, but the tyrant himself turned against Plato. Plato almost faced death, but was sold into slavery. Anniceris , a Cyrenaic philosopher, bought Plato's freedom for twenty minas , and sent him home. Philodemus however states that Plato

5500-484: The common man's intuition about what is knowable and what is real. Reality is unavailable to those who use their senses. Socrates says that he who sees with his eyes is blind. While most people take the objects of their senses to be real if anything is, Socrates is contemptuous of people who think that something has to be graspable in the hands to be real. In the Theaetetus , he says such people are eu amousoi (εὖ ἄμουσοι), an expression that means literally, "happily without

5600-547: The complete written philosophical work of Plato, based on the first century AD arrangement of Thrasyllus of Mendes . The modern standard complete English edition is the 1997 Hackett Plato: Complete Works , edited by John M. Cooper. Thirty-five dialogues and thirteen letters (the Epistles ) have traditionally been ascribed to Plato, though modern scholarship doubts the authenticity of at least some of these. Jowett mentions in his Appendix to Menexenus, that works which bore

5700-410: The concept of form as distinct from matter, and that the physical world is an imitation of an eternal mathematical world. These ideas were very influential on Heraclitus, Parmenides and Plato. The two philosophers Heraclitus and Parmenides , influenced by earlier pre-Socratic Greek philosophers such as Pythagoras and Xenophanes , departed from mythological explanations for the universe and began

5800-408: The divine. The concept of the astral body or body of light was adopted by 19th-century ceremonial magician Éliphas Lévi , Florence Farr and the magicians of the Hermetic Order of the Golden Dawn , including Aleister Crowley . Plato and Aristotle taught that the stars were composed of a type of matter different from the four earthly elements - a fifth, ethereal element or quintessence. In

5900-454: The doctrine of multiple, separable bodies), while emotional attachments of awe, dignity, and fear responses are cultivated through the performance of astral rituals and protections from "astral dangers" through the simulation of symbols and magical weapons. Crowley explains that the most important practices for developing the Body of Light are: According to Crowley, the role of the body of light

6000-459: The famous Euthyphro dilemma in the dialogue of the same name: "Is the pious ( τὸ ὅσιον ) loved by the gods because it is pious, or is it pious because it is loved by the gods?" ( 10a ) In the Protagoras dialogue it is argued through Socrates that virtue is innate and cannot be learned, that no one does bad on purpose, and to know what is good results in doing what is good; that knowledge

6100-651: The first two in 411 and the third in 413) but also by the Libyan invasions of the country who destroyed Cyrenaica and led him to exile, and by conflicts with the praeses Andronicus , whom he excommunicated for interfering with the Church's right of asylum. The date of his death is unknown, but it is most likely in 413, as he wrote a farewell letter to Hypatia that year from his death bed. His many-sided activity, as shown especially in his letters, and his loosely mediating position between Neoplatonism and Christianity, make him

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6200-544: The good itself" along with many fundamentals of Christian morality, which he interpreted as "Platonism for the masses" in Beyond Good and Evil (1886). Martin Heidegger argued against Plato's alleged obfuscation of Being in his incomplete tome, Being and Time (1927). Karl Popper argued in the first volume of The Open Society and Its Enemies (1945) that Plato's proposal for a " utopian " political regime in

6300-768: The idea of a changeless, eternal universe and the view that change is an illusion. Plato's most self-critical dialogue is the Parmenides , which features Parmenides and his student Zeno , which criticizes Plato's own metaphysical theories. Plato's Sophist dialogue includes an Eleatic stranger. These ideas about change and permanence, or becoming and Being, influenced Plato in formulating his theory of Forms. In Plato's dialogues, Socrates and his company of disputants had something to say on many subjects, including several aspects of metaphysics . These include religion and science, human nature, love, and sexuality. More than one dialogue contrasts perception and reality , nature and custom, and body and soul. Francis Cornford identified

6400-547: The influence of Pythagoras , or in a broader sense, the Pythagoreans, such as Archytas also appears to have been significant. Aristotle and Cicero both claimed that the philosophy of Plato closely followed the teachings of the Pythagoreans . According to R. M. Hare , this influence consists of three points: Pythagoras held that all things are number, and the cosmos comes from numerical principles. He introduced

6500-613: The initials of her motto 'SSDD', studied the ten parts of a human being which she said were described in ancient Egyptian writings, including the Sahu , the elemental or astral body; the Tet or Zet , the spiritual body or soul; and the Khaibt , the sphere or aura, radiating from the Sahu, and symbolised by a fan. Farr wrote that the ancient Egyptian adepts "looked upon each body, or manifested being, as

6600-539: The location of the immortal or divine spirit of man. While the ancient Neoplatonists held that the Augoeides never descends hypostatically into the living man, but only more or less sheds its radiance on the inner man – the astral soul – the Kabalists of the Middle Ages maintained that the spirit, detaching itself from the ocean of light and spirit, entered into man's soul, where it remained through life imprisoned in

6700-535: The major areas of both theoretical philosophy and practical philosophy , and was the founder of the Platonic Academy , a philosophical school in Athens where Plato taught the doctrines that would later become known as Platonism . Plato's most famous contribution is the theory of forms (or ideas) , which has been interpreted as advancing a solution to what is now known as the problem of universals . He

6800-468: The material basis of a long vista of immaterial entities functioning as a spirit, soul and mind in the formative, creative and archetypal worlds." She described how the Khaibt forms a sphere around a human being at birth. The occultist Israel Regardie (1907–1985) published a collection of Golden Dawn magical texts which state that "the whole sphere of sensation which surroundeth the whole physical body of

6900-556: The material cause; for the Forms are the cause of the essence in everything else, and the One is the cause of it in the Forms. He also tells us what the material substrate is of which the Forms are predicated in the case of sensible things, and the One in that of the Forms ;– that it is this the duality (the Dyad, ἡ δυάς ), the Great and Small ( τὸ μέγα καὶ τὸ μικρόν ). Further, he assigned to these two elements respectively

7000-405: The muses". In other words, such people are willingly ignorant, living without divine inspiration and access to higher insights about reality. Many have interpreted Plato as stating – even having been the first to write – that knowledge is justified true belief , an influential view that informed future developments in epistemology. Plato also identified problems with

7100-488: The name "Plato" was only used as a nickname; and the philosopher could not have been named "Plato" because that name does not occur previously in his family line. Modern scholarship tends to reject the "Aristocles" story. Plato always called himself Platon . Platon was a fairly common name (31 instances are known from Athens alone), including people named before Plato was born. Robin Waterfield states that Plato

7200-660: The other hand, if one derives one's account of something by way of the non-sensible Forms, because these Forms are unchanging, so too is the account derived from them. That apprehension of Forms is required for knowledge may be taken to cohere with Plato's theory in the Theaetetus and Meno . Indeed, the apprehension of Forms may be at the base of the account required for justification, in that it offers foundational knowledge which itself needs no account, thereby avoiding an infinite regression . Several dialogues discuss ethics including virtue and vice, pleasure and pain, crime and punishment, and justice and medicine. Socrates presents

7300-547: The people), and finally to tyranny (rule by one person, rule by a tyrant). Several dialogues tackle questions about art, including rhetoric and rhapsody. Socrates says that poetry is inspired by the muses , and is not rational. He speaks approvingly of this, and other forms of divine madness (drunkenness, eroticism, and dreaming) in the Phaedrus , and yet in the Republic wants to outlaw Homer's great poetry, and laughter as well. Scholars often view Plato's philosophy as at odds with rhetoric due to his criticisms of rhetoric in

7400-426: The physical body and travels in their body of light into 'higher' realms." Neoplatonists Porphyry and Proclus elaborated on Plato's description of the starry nature of the human psyche. Throughout the Renaissance , philosophers and alchemists, healers including Paracelsus and his students, and natural scientists such as John Dee , continued to discuss the nature of the astral world intermediate between earth and

7500-530: The physical body is extended." The occultist Aleister Crowley (1875–1947), the founder of the new religious movement Thelema , translated augoeides literally as 'egg message' and connected it with 'the Knowledge & Conversation of the Holy Guardian Angel ' or 'higher & original (egg) genius' associated with each human being. He stressed that the body of light must be built up though

7600-469: The primary speaker is Socrates, who employs a method of questioning which proceeds by a dialogue form called dialectic. The role of dialectic in Plato's thought is contested but there are two main interpretations: a type of reasoning and a method of intuition. Simon Blackburn adopts the first, saying that Plato's dialectic is "the process of eliciting the truth by means of questions aimed at opening out what

7700-586: The printing press  [ it ] at the Dominican convent of San Jacopo di Ripoli  [ it ] . The 1578 edition of Plato's complete works published by Henricus Stephanus ( Henri Estienne ) in Geneva also included parallel Latin translation and running commentary by Joannes Serranus ( Jean de Serres ). It was this edition which established standard Stephanus pagination , still in use today. The text of Plato as received today apparently represents

7800-420: The processes of collection and division . More explicitly, Plato himself argues in the Timaeus that knowledge is always proportionate to the realm from which it is gained. In other words, if one derives one's account of something experientially, because the world of sense is in flux, the views therein attained will be mere opinions. Meanwhile, opinions are characterized by a lack of necessity and stability. On

7900-613: The public in his lecture On the Good ( Περὶ τἀγαθοῦ ), in which the Good ( τὸ ἀγαθόν ) is identified with the One (the Unity, τὸ ἕν ), the fundamental ontological principle. The first witness who mentions its existence is Aristotle, who in his Physics writes: "It is true, indeed, that the account he gives there [i.e. in Timaeus ] of the participant is different from what he says in his so-called unwritten teachings ( Ancient Greek : ἄγραφα δόγματα , romanized :  agrapha dogmata )." In Metaphysics he writes: "Now since

8000-463: The question of the divine permission of evil is handled. In 402, during an earthquake, Synesius left Constantinople to return to Cyrene. Along the road he passed through Alexandria , where he returned in 403; it was in the Egyptian city that he married and lived, before returning at Cyrene in 405. The following years were busy for Synesius. His major concern was the organisation of the defence of

8100-492: The radiation of light rays and the effects of the planetary and stellar influences on the earth." Dee was also influenced by the Arabian philosopher Al-Kindi , whose treatise De radiis stellarum wove together astrology and optical theory , which inspired Dee's Propaedeumata Aphoristica . In Dee's system of Enochian magic , there were three main techniques: invocation (prayer), scrying (crystal-gazing), and traveling in

8200-695: The reality of the material world, considering it only an image or copy of the real world. According to this theory of Forms, there are these two kinds of things: the apparent world of material objects grasped by the senses, which constantly changes, and an unchanging and unseen world of Forms, grasped by reason ( λογική ). Plato's Forms represent types of things, as well as properties , patterns, and relations , which are referred to as objects. Just as individual tables, chairs, and cars refer to objects in this world, 'tableness', 'chairness', and 'carness', as well as e.g. justice , truth , and beauty refer to objects in another world. One of Plato's most cited examples for

8300-456: The so-called "middle dialogues" provide more clearly stated positive teachings that are often ascribed to Plato such as the theory of Forms. The remaining dialogues are classified as "late" and are generally agreed to be difficult and challenging pieces of philosophy. It should, however, be kept in mind that many of the positions in the ordering are still highly disputed, and also that the very notion that Plato's dialogues can or should be "ordered"

8400-476: The soul." Building on concepts described by Iamblichus and Plotinus , the late Neoplatonist Proclus (5th century), who is credited as the first to speak of subtle planes , posited two subtle bodies, vehicles, or 'carriers' ( okhema ), intermediate between spirit and the physical body . These were: Marsilio Ficino (1433–1499) translated the Corpus Hermetica into Latin. He wrote: Look at

8500-544: The studies of a wise ruler, but also containing a bold statement that the emperor's first priority must be a war on corruption and a war on the interpenetration of barbarians into the Roman army. His three years' stay in Constantinople was wearisome and otherwise disagreeable; the leisure it forced upon him he devoted in part to literary composition. Aurelianus succeeded in granting him the tax remission for Cyrene and

8600-558: The subtle body as "the Sphere of Sensation." Florence Farr (1860–1917) developed the Golden Dawn education system, succeeded William Wynn Westcott as "Chief Adept in Anglia," and wrote several of the Order's secret instruction papers, called the "Flying Rolls." Her magical motto was Sapientia Sapienti Dona Data (Latin: 'Wisdom is a gift given to the wise'). Farr's writings, signed with

8700-492: The term "featherless biped", and later ζῷον πολιτικόν ( zōon politikon ), a "political" or "state-building" animal ( Aristotle 's term, based on Plato's Statesman ). Diogenes the Cynic took issue with the former definition, reportedly producing a recently plucked chicken with the exclamation of "Here is Plato’s man!" (variously translated as "Behold, a man!"; "Here is a human!" etc.). Plato never presents himself as

8800-503: The term: For here he evidently conjoins the rational soul, or the etherial sense, with its splendid vehicle, or the fire of simple ether; since it is well known that this vehicle, according to Plato, is rendered by proper purgation 'augoeides', or luciform, and divine. Synesius , a 4th-century Greek bishop, according to Isaac Myer equated the divine body with ' Imagination ' ( phantasia ) itself, considering it to be "something very subtle, yet material," referring to it as "the first body of

8900-433: The universal world full of the light of the sun. Look at the light in the world’s matter full of all the universal forms and forever changing. Subtract, I beg you, matter from the light and put the rest aside : suddenly you have soul, that is, incorporeal light, replete with all the forms, but changeable. Ficino describes this tenuous form as being of aether or quintessence, the fifth element, spirit, and says that it has

9000-422: The use of imagination, and that it must then be animated, exercised, and disciplined. According to Asprem (2017): The practice of creating a "body of light” in imagination builds on the body-image system, potentially working with alterations across all of its three modalities (perceptual, conceptual, and affective): an idealized body is produced (body-image model), new conceptual structures are attached to it (e.g.,

9100-437: The work of Richard Mead (1673–1754), who hypothesized that due to the astral nature of the human body, it is subject to an "all-pervading gravitation emanating from the stars." Mesmer expanded this concept, hypothesizing that bodies were subject to a form of magnetism emanating from all other bodies, not just the stars, which he called ' animal magnetism ,' describing it as a "fluid which is universally widespread and pervasive in

9200-495: Was Heinrich Gomperz who described it in his speech during the 7th International Congress of Philosophy in 1930. All the sources related to the ἄγραφα δόγματα have been collected by Konrad Gaiser and published as Testimonia Platonica . Plato's thought is often compared with that of his most famous student, Aristotle , whose reputation during the Western Middle Ages so completely eclipsed that of Plato that

9300-506: Was a Greek bishop of Ptolemais in ancient Libya , a part of the Western Pentapolis of Cyrenaica after 410. He was born of wealthy parents at Balagrae (now Bayda, Libya ) near Cyrene between 370 and 375. While still a youth (in 393), he went with his brother Euoptius to Alexandria , where he became an enthusiastic Neoplatonist and disciple of Hypatia . Between 395 and 399, he spent some time in Athens . In 398 he

9400-514: Was buried in the garden of his academy in Athens, close to the sacred shrine of the Muses. In 2024, a scroll found at Herculaneum was deciphered, that confirmed some previous theories. The papyrus says that before death Plato "retained enough lucidity to critique the musician for her lack of rhythm", and that he was buried "in his designated garden in the Academy of Athens". Plato never speaks in his own voice in his dialogues ; every dialogue except

9500-511: Was chosen as an envoy to the imperial court in Constantinople by Cyrene and the whole Pentapolis. He went to the capital on the occasion of the delivery of the aurum coronarium and his task was to obtain tax remissions for his country. In Constantinople he obtained the patronage of the powerful praetorian prefect Aurelianus . Synesius composed and addressed to Emperor Arcadius a speech entitled De regno , full of topical advice as to

9600-538: Was decisively influenced by the pre-Socratic thinkers Pythagoras , Heraclitus , and Parmenides , although much of what is known about them is derived from Plato himself. Along with his teacher Socrates , and Aristotle , his student, Plato is a central figure in the history of Western philosophy . Plato's entire body of work is believed to have survived intact for over 2,400 years—unlike that of nearly all of his contemporaries. Although their popularity has fluctuated, they have consistently been read and studied through

9700-611: Was immortal and celestial ("starry", hence astral) or whether it remained on earth and dissolved after death. The early Neoplatonist Porphyry (3rd century) wrote of the Augoeides , a term which is encountered in the literature of Neoplatonic theurgy . The word originates from Ancient Greek and has been interpreted as deriving from ᾠόν , meaning 'egg', or αυγή , meaning 'dawn', combined with ' είδηση ', indicative of 'news' or 'a message', or with ' εἴδωλον ', an 'idol' or 'reflection'. Thomas Taylor commented on Porphyry's use of

9800-403: Was much attached; but as regarded orthodoxy he expressly stipulated for personal freedom to dissent on the questions of the soul's creation, a literal resurrection, and the final destruction of the world, while at the same time he agreed to make some concession to popular views in his public teaching. His tenure of the bishopric was troubled not only by domestic bereavements (his three sons died,

9900-484: Was not a nickname, but a perfectly normal name, and "the common practice of naming a son after his grandfather was reserved for the eldest son", not Plato. According to Debra Nails, Plato's grandfather was the Aristocles who was archon in 605/4. Plato was born in Athens or Aegina , between 428 and 423 BC. He was a member of an aristocratic and influential family. His father was Ariston, who may have been

10000-609: Was sold as a slave as early as in 404 BC, when the Spartans conquered Aegina, or, alternatively, in 399 BC, immediately after the death of Socrates. After Dionysius's death, according to Plato's Seventh Letter , Dion requested Plato return to Syracuse to tutor Dionysius II , who seemed to accept Plato's teachings, but eventually became suspicious of their motives, expelling Dion and holding Plato against his will. Eventually Plato left Syracuse and Dion would return to overthrow Dionysius and rule Syracuse, before being usurped by Callippus ,

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