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'''Lu Jiuyuan''' a philosopher and official of the Southern Song dynasty (1139-1193) who taught the unity of mind and principle and became the chief rival of Zhu Xi, founding the school of mind that would flower in the Ming.

== Life and Background ==
Lu Jiuyuan was born in 1139 in Jinxi, in the province of Jiangxi, into a large and prosperous family that valued learning and public service. His courtesy name was Zijing and he was known by the honorific title Xiangshan, taken from the mountain where he later taught. From his boyhood he showed an unusual independence of mind, questioning the received interpretations of the classics and trusting to his own reflection.

He passed the highest examinations and entered official life, serving in a series of posts in local and central government. He was a capable administrator, concerned with the welfare of the people and willing to act firmly against injustice, and his career was respectable if not spectacular. But it was as a teacher and thinker that he made his mark, and his reputation drew students from across the empire.

The most famous episode of his life was a debate with Zhu Xi at the Goose Lake monastery in 1175, arranged by friends who hoped to reconcile the two leading philosophers. The meeting failed to produce agreement, and the contrast between their views became a defining feature of later Confucian thought. He died in 1193, and his teaching was carried forward by disciples who preserved and developed his ideas.

== The Mind Is Principle ==
Lu Jiuyuan's central doctrine was that the mind is principle. By this he meant that the ultimate pattern of the universe, the principle that orders all things, is not something external to be sought in books or in the investigation of objects, but is present in the human mind itself. To know principle one need not accumulate information about the world; one must turn inward and recover the principle that is already there.

This teaching placed him in sharp opposition to the view, associated with Zhu Xi, that the way to wisdom lies through the patient investigation of things and the wide study of texts. Lu held that such an approach risks losing the wood for the trees, dissipating the mind among endless details while the essential truth remains unperceived. The direct apprehension of principle within oneself was, for him, the true path.

He grounded this confidence in a generous estimate of human nature. Since the mind of every person is the same in its essence as the mind of the sage, the difference between the ordinary person and the sage lies not in the presence or absence of principle but in the clarity with which it is seen. The task of learning is therefore to remove the obscurations of selfish desire and to let the original mind shine forth.

== Debate with Zhu Xi ==
The disagreement between Lu Jiuyuan and Zhu Xi turned on the question of how one comes to know principle and how one becomes a sage. Zhu taught that principle is both within the mind and embodied in the things of the world, and that the student should investigate external things as well as cultivate the heart, accumulating knowledge over many years until understanding becomes complete.

Lu regarded this as a mistaken detour. He argued that the truth is simple and near at hand, that the classics are only footnotes to the mind, and that the essential insight can be won by a direct and decisive act of self-awakening. Where Zhu valued gradual accumulation, Lu valued sudden enlightenment; where Zhu emphasised study, Lu emphasised inward reflection and the rectification of the will.

Their exchanges were sharp but not entirely hostile, and each respected the other's sincerity and moral seriousness. Their disagreement passed into the tradition as one of its great divides, the contrast between the school of principle, which stressed the investigation of things and the authority of the classics, and the school of mind, which stressed the primacy of the inner light and the direct grasp of truth.

== Moral Effort and the Inner Life ==
For Lu Jiuyuan the whole of learning was directed toward the perfection of the moral life. He taught that the student should first establish the great foundation, the firm resolve to become a sage, and that all else would follow. Without this resolve, study was mere erudition, and conduct remained unimproved however much the mind was filled with knowledge.

He emphasised sincerity and the single-minded pursuit of the good, warning against the vanity of learning undertaken for display. His teaching was austere and demanding, yet also encouraging, for it held out the promise that everyone, whatever his station or education, might come to see the truth by turning within. The ordinary person and the sage shared one mind, and the way between them was open.

He revived what he saw as the original spirit of Confucian and Mencian teaching, the belief that the capacity for goodness is innate and that moral effort consists in recovering and preserving it. His habit of citing the sages as witnesses to the power of the mind rather than as remote authorities to be obeyed marked the independence that gave his thought its power and its danger.

== Influence and Legacy ==
Lu Jiuyuan's teaching was carried on after his death by a line of disciples, and it remained a minority position through the remaining centuries of the Song and Yuan. But in the Ming dynasty it was revived with great force by Wang Shouren, who found in Lu an anticipation of his own philosophy and who gave the school of mind its mature expression. The line of teaching that runs through Lu to Wang became one of the two great streams of later Confucian thought.

His emphasis on the mind and on direct moral insight influenced the whole subsequent development of Chinese philosophy, and in modern times it has been compared to currents in Western thought that also stress the priority of consciousness in the knowledge of reality. Scholars have seen in his teaching a native Chinese form of idealism, distinct in its assumptions from its European counterparts yet sharing its concern with the activity of the mind.

He is remembered as a thinker of bold originality and great moral intensity, who dared to place the individual mind above the accumulated authority of the schools. His debate with Zhu Xi has become emblematic of a permanent tension within the Confucian tradition between learning and insight, and his confidence in the goodness and sufficiency of the human mind remains one of the most memorable positions in Chinese philosophy.

== See also ==
* Neo-Confucianism
* Wang Shouren
* Zhu Xi
* School of mind

== References ==

<ref name="r1">Wing-tsit Chan, A Source Book in Chinese Philosophy, Princeton University Press, 1963.</ref>
<ref name="r2">Fung Yu-lan, A History of Chinese Philosophy, Princeton University Press, 1953.</ref>
<ref name="r3">Yu-tang Siu, Lu Xiangshan and the Confucian Mind, Harvard University Press, 1971.</ref>
<ref name="r4">Philip J. Ivanhoe, Ethics in the Confucian Tradition, Hackett Publishing, 2002.</ref>

<references />

[[Category:Philosophy]]
[[Category:Confucianism]]
[[Category:Song dynasty]]

Lu Jiuyuan - Revision history

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