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"The Art of Mind" is said to have been written by Li Yifu in the Tang Dynasty. It is a book on political strategy and strategy. This book combines text with white text, making it easier to read. The book focuses on discerning and controlling people's hearts. From the aspects of inferring other people's thoughts and manipulating other people's emotions, the book explains the power and methods of dealing with people and dealing with others, fully demonstrating the ancient power culture.