Cheng Yi said: If you want to know what you want to know, you should test it in your heart. Thinking is good, the center is happy. Those who have a lot of money, they have to do it. Those who have thoughts and worries, those who are exhausted by the heart, but they have not yet gained, and they have a strong ear. (...
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Cheng Yi is a theoretician, and his view of historiography also reflects the idea of learning history with clarity. He said: 1. Whoever reads history must not only record deeds, but must understand the principles of survival and survival in order to deal with chaos, security, and danger. (The Second Journey Collection...
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The Book of the Saints is the writings of the classics of the Saints, such as the Four Books and Five Classics. Cheng Yi believes that when reading the book of the saints, it is necessary to "observe the meaning of the saints so they write the scriptures, and the saints so the intentions, and the saints so the most holy ...
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