• The Journal of Korean Philosophical History
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• no.59
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• pp.121-153
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• 2018

The eight most prominent students of Lee Jin Sang discussed and developed the doctrines of the Master while discussing with the surrounding Toegye scholars. The purpose of this paper is to examine the differences between the doctrines of Toegye and the doctrines of Hanju in their discussions. First, the two were originally aimed at the same scholarship, so they discussed in a friendly atmosphere and some of the Toegye scholars participated in Hanju group. but at a certain point, they were a violent atmosphere of confrontation. Next, I tried to clarify the confrontation between Juli and Jeugli. And I tried to explain that they had different thoughts about domination of li. In addition, I looked at the meaning of excessiveness and compromise, the key words to criticize others and defend oneself. Finally, I explained that the ultimate difference between the two schools is in the methods of mind cultivation.