Refers to human consciousness and temperament. Wang Fuzhi of the Qing Dynasty wrote two chapters of Notes on Zhang Zizheng: "The first two chapters are especially suitable for scholars, because nature is the master of confidence."
Word decomposition
Heart: The organ in charge of blood circulation in humans and higher animals (commonly known as "heart"): pericardium. Heart rhythm. Heart failure. Palpitation. Hub, hub, mainly: confidant. Center. Habitually refers to the organs of thought and thoughts, feelings, etc. : psychology. The heart is thrilling. Heart. Sincerely. Explain the principles and norms of people's common life and behavior, personality, quality: virtue. Moral quality. Public morality. Virtue. Morality. Virtue. Moral education (ideological, political and moral education according to certain social requirements). Have both ability and political integrity. Do what you can. Highly respected. Thought, belief: unite as one.