Heart, a standard first-class word (commonly used word) in modern Chinese, is pronounced as X and N in Mandarin, which was first seen in the Oracle Bone Inscriptions era of Shang Dynasty. Liushu belongs to pictographic characters. The basic meaning of "heart" is the organ responsible for blood circulation in humans and higher animals, such as the heart; The extension means that the mind is alert and flexible, like the wisdom of an ape.
In daily use, the word "heart" is often used to think too much, such as heavy heart.
The word "Xin" first appeared in Oracle Bone Inscriptions era of Shang Dynasty, and finally gradually evolved into a simplified version of "Xin" in regular script.
The ancient book explains that "Tang Yun" is deforestation. Che, Ji Yun, Yun Hui and Zheng Yun. Shuowen: People's hearts are hidden in the soil, and they are in it. Hieroglyphics. The doctor said he thought the fire was hidden. Xu Yue: The heart is fire, but the heart belongs to fire. Yupian and Guang Yun jointly taught to store fire.
Xunzi dismissed the class: the heart is the king of shape, and the Lord of God is also. "Li Dashu": The general contractor worries about everything.
Also "Ming Shi": careful. I know everything.
So is this. Yi Fu hexagrams: seeing the heart of heaven and earth again. Note: Heaven and earth are also based on this. Justice theory: it is also based on the heart to say that the world is cold. The Book of Rites: If the pine and cypress have the heart. Note: The essence of getting angry is also. Kong Shu: Qi is the essence, so during the four seasons tour, Ke Ye has no worries, and his heart is called this.