This sentence means that the human heart is sinister and unpredictable, and the Taoist heart is subtle and centered, but the only essence is the mentality of the Taoist heart. Only when words and deeds are impartial and in line with justice can we govern the country well.
Extended data:
Dayu Mo is from Shangshu, one of the five Confucian classics, and records the ancient historical materials of Dayu, Boyi and Shun's political plans. Dayu is a courtier of Shun. He made great contributions to flood control, and later he was called Dayu. Mo, Mou. The first paragraph of this paper describes the political plans of Dayu, Boyi and Shun, so it is called Dayu Mo. This is one of Mei's fake books.
"The human heart is only in danger, and the heart is only in the micro; Only the essence is exclusive, let it be stunned. " These sixteen characters are the famous "sixteen-character heart biography" in the cultural tradition of Confucianism and even China.