Sui Xiao Ji's "Five Elements Great Meaning" Volume 3: "The heart is the storehouse of fire."
"On Blood Syndrome" written by Zonghai of Tang Dynasty in Qing Dynasty: "The heart is the fire organ, and the candle illuminates all things."
"Shuowen Jiezi·Volume 10·Heart": "The human heart is stored in earth, in the body. Pictogram. The doctor said that it is stored in fire. Xu said: The heart is a big fire, but the heart belongs to fire."
Concept: "The Treatise on Blood Syndrome" written by Zonghai of Tang Dynasty in the Qing Dynasty: "The heart is the fire organ, and the candle illuminates all things."