The theory of Divine Illumination is the oldest before the rise of naturalism、The most far -reaching theory of influence on the mind and knowledge，It is the theory of explaining that the truth obtains truth through rational activities under the light of God's light。The theory of light has been popular in the Latin world，It has a profound impact on the entire Christian philosophy and modern Western philosophy。but，In the 13th century less than a hundred years，The theory of light is from prosperity and decline，Its core is eliminated again and again，Each deconstruction leads to the split of its internal structure、Narrow and disintegration of content。Remove the sacred light rational，Naturalism into straight into，Middle Ages mysterious fog gradually dispersed，The epistemology of naturalism opens the way for the development of modernity。The puzzling is，Internal beliefs within Christian philosophy is constant，Why did the knowledge of the sacred light received fierce criticism? American scholar Steven Marrone's explanation is quite reasonable，He believes that although the scientific knowledge of the 13th century and modern experiments、Mathematical and statistical science is completely different，But scientific thought has been brewed and incubated at that time。When any tradition is adapting to the rapid development of the times，Nothing has to abandon some inherent and even mainstream ideology，The rise and fall experienced by the theory of light is the testimony of the strong theoretical innovation of philosophers at the time at that time。Between defending and critical，bet365 Play online games New theoretical paradigm gains growth，provides continuous inspiration and motivation for the development of the 14th century cognitive theory。

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The theory of light has three remarkable features: first，It is a conceptual theory under the Christian belief，is closely related to Christian theology and philosophy; followed by，Its development、Perfect and decline occurred in the Middle Ages，Almost all medieval philosophers、The theologians have related discussions，was the mainstream knowledge tradition at that time; finally，It dominates its epistemology in Augustineism，is the core logo of the Middle Ages of Augustine Avantinist。Ancient Greece to drop，Main philosophers are constantly tracing the theme of "light" in the evolution and development of rational cognition，Traditionally believes that the theory of light is rooted in the ancient Greek philosophy tradition，Use the metaphor of light and vision to explain the source of human cognitive activities.，Especially in the tradition of Platoism and New Platoism。Plato's "Cave metaphor", "Sun Meter", "Concept Theory"，Together with the "overflow theory" and "light metaphor" of New Platoism, the theoretical source flow of light photos。The Bible also pays special attention to "light"，There are a lot of discussion on "light" in its verses，In the ancient godfather，The godfather represented by the Alexandria School of Alexandria (Alexandria School) made a rich interpretation of "Light"，It also provides ideological resources for the theory of light。

The interpretation of "light" through the Bible and the ancient godfather，The theory of light is constructed in the work of Aurelius Augustine。Augustine uses symbolics in "On Teachers" to develop the knowledge theory in bet365 live casino games Plato's "Mino"，Reconnecting Plato's "Anamnessisis"，The theory of developing memory (Memoria)，I believe that memory is a knowledge base that is sacred light from the shining of sacred light。Memory represents the potential state of the soul，Light represents the show of the soul。The description of light is scattered in Augustine rolls，The theme of light runs through Augustine's exploration of knowing and knowing God for life，His metaphorical language style has left a huge interpretation space for later generations。

The academic community generally believes，Augustine's theory of light is the most difficult part of its philosophical thoughts，Because there are too many unknown places around the light。Augustine did not form a system theory about light。In the 13th century，Under the impact and promotion of Aristotle theory，Bonaventure only systematically developed light photos。Bonnapra thinks，Soul and rational and creation work in the process of cognition，Lumen Superius、Lumen Interius and the understandable light of the understanding object are intertwined together，Talents can obtain a certain knowledge，This will develop and improve the theory of light from the two aspects of true theory and spiritual philosophy，Constructing a complete epistemology system，and become the knowledge tradition of the Fangji Repair Association。But，In the next century，Although the theory of light is still the mainstream of the Latin world epistemology，But constantly challenged and questioned，Facing a serious theoretical crisis。

　　Decodation of light theory

Discussion on the reason for the decline of light photos has always been an important issue in the study of medieval epistemology，Disputes，There is still no conclusion to date。If Augustine's theory of light and the 13th century philosopher bet365 best casino games compares the interpretation and development of light photos，It is not difficult to find it，The philosophers of the Latin Middle Ages carried out the theory of light constructed by Augustine again and again。Actually，Although the light photos are first improved by Boa Navatra，But the deconstruction of light photos also began in Posawra，It is his interpretation of the deconstruction that triggered the criticism of continuous lighting of light in the 13th century。

From the text of Augustine, we can summarize the five functions of light，Gives cognitive ability、Provide the content of recognition、Participate in the cognitive process、To ensure the certainty of cognition and provide knowledge about God。Bonnutra absorbed Aristotle's philosophy，I think we can get information from sensory knowledge，But you cannot get a clear determined knowledge。In order to cope with the degeneration of the object of recognition and the easy error of the subject of the subject，The change in his proposal to be created Truth is not absolute，Instead of condition。So，In order to obtain a certain knowledge，It must be turned to the sacred light and sacred truth。Holy Light gives the ability to recognize the subject without wrong，Sacred truth gives the recognition object eternal non -degeneration。Although we can think rationally through human rational，But only through sacred light，We can determine whether our knowledge is correct。In short，Light play a dual role: specification and promotion (UT regulaans et ratio motiva)。Compared with the five functions of Augustine light，Boanawentu severely narrows the role of light，Limit light to ensure the certainty of knowledge and promote the creation of trials。

Thomas Aquinas not only accepted Aristotle's philosophy，baptism of "Christianization" bet365 best casino games of Aristotle philosophy，His cognitive theory is greatly influenced by Aristotle knowledge theory。Aquina's empiricalism of Aristotle and Augustine's theory of light，Eternal Light gives people to active rational light，Under the shining of active rational light，A person's reason and independent abstracts abstract the essence of things。Aquina believes that people's cognitive activities can be carried out not only needed light，3961_3986，That is the essence of things。In terms of theological position or philosophical epistemology，Aquina is not an opponent of the theory of light，He uses the emerging Aristotle philosophy and language development、Defending light photos，The needs of the development of the times。Subjectively，It is impossible for him to deviate from the mainstream conceptual theory of Christianity in Augustine; objectively，But he shifted the theoretical paradigm of light from Platoist concept to Aristotle empiricism，The fundamental change of this theoretical paradigm is a more thorough deconstruction，Foreilicon was laid for the further decline of light theory。

to the late 13th century，The epistemology system developed through Boabara was criticized and challenged by this internally in the Fangji Repairing Association。Henry of Gente as the main defender of the external light as the main defender，Experience of Aristotle、Plato's model theory and Augustine's light theory are integrated，Form a delicate theoretical comprehensive system。but，The theory of light came to Henry's era，The fields involved have been greatly reduced，It is limited to explain the natural endowment of the soul。Henry has developed the theory of existence and essence，Continue to use Aristotle's description of truth knowledge，It is believed that the process of lighting bet365 live casino games in the nature of the essence of Aristotle，Transform Thomas Aquina and Aristotle's theory of truth into light theory，But this is not to be deconstructed and narrowed again。

John Duns Scotus (John Duns Scotus) not only acknowledge the possibility and reliability of natural knowledge，Also believe in the field of natural knowledge，All knowledge comes from sensation，There is no inherent concept and principle。Division of the Division to Natural Knowledge and Revelation Knowledge Defined their own territory，affirmed the function of natural rationality，Need for the necessity of special light。In other words，In addition to the individual things and the rational functions inside the soul existing，You can explain the cognitive process without any assumptions。Division's disconnection of the existence of the monomer theory has pushed the rational understanding of God to an unprecedented field，For the first time with natural knowledge and the knowledge of God, a clear boundary。The role of sacred light is limited in the field of revelation of God，The philosophical significance of light theory as the theory of knowledge is eliminated，Exit the knowledge tradition of knowledge within each repair meeting。

　Conclusion

After the entire Middle Ages，The development of light theory has gone through the extremely complicated journey，At first I focused on exploring the function of God's rational light，Compared with Aristotle's perspective of reason and soul; then strive to build a unified sacred light theory in the name of Augustine;，In the process of deconstruction of light photos, a comprehensive system that insists on the core of light but tolerates science and empirical vision。If we do not simply regard the 13th century as the era of fierce confrontation between Augustine and Aristotlers，but a beyond Bet365 app download that is not that is the other、Broadly accepts the world of Aristotle tools and theory，It is not difficult to understand the deconstruction of light photos in the process of seeking theoretical self -consistent process，You can also understand the exquisite complexity of the philosophy of the sutra from the thought itself。

　(This article is the general topic of Shanghai Philosophy and Social Science Plan "'The Theory of Light' in the History of Philosophy in Europe" (2020bzx010) phase results)

(Author Unit: Shanghai Lixin Accounting Finance College)