1.
"The human heart is dangerous, the Taoist heart is only weak; the essence is only one, and it is allowed to hold on to the center." (pseudo "Gu Wen Shangshu Dayu Mo") these sixteen This is the famous "Sixteen-Character Heart Biography" in Confucianism and even Chinese cultural tradition.
2.
“The human heart is in danger” means that the human heart is unreliable and dangerous. The ancient glyph for "danger" (Xiao Tuan) has a person on the top, a cliff in the middle, and the shape of a leg joint below, implying danger in the face of heights, and contains the meaning of danger. The human heart "may be based on sex and appearance, money and profit, or reputation, and all kinds of winning, jealous, thrifty, stingy, others, and self-centeredness, right and wrong" are just some of them. (Li Hao: "Er Qu Ji", Zhonghua Book Company 1996 edition, page 2)
3.
"The Taoist heart is only subtle" means that the Taoist heart is very subtle. "Tao heart" is the natural heart of heaven and earth. The subtlety of Taoist heart can be quoted from the "Tao Te Ching": "Tao is a thing, but it is trance. It is trance, and there are images in it; it is trance, and there are things in it." ("Tao Te Ching· Chapter 21") The mystery of Tao brings out the subtlety of Tao's heart.
4.
"Wei Jing Yi Yi" means that the mind to understand the Tao must strive for excellence and single-mindedness, and must be "erudite, interrogative, careful in thinking, clear in discernment, and diligent in practice" ("Wang Yangming" Complete Works" Shanghai Ancient Books Publishing House, 1992 edition, 13 pages).
5.
"Yan Zhi Jue Zhong" means to sincerely abide by the impartial golden mean. "What is not biased is called the middle; what is not easy is called the mean. The middle is the right way of the world. The mean is the rule of the world.
"(Zhu Xi's "Collected Commentary on Chapters and Sentences of the Four Books")