The ancients believed that true inner happiness could only be achieved in the state of _. There is also a related record in the Book of Changes: "The heart has no carelessness, the god has no delusion, and the righteousness sees the capacity, and the evil is born in the heart." This shows that the state of _ is a pure and innocent mental state, which is closely related to moral sentiment.
In modern society, people are often troubled by all kinds of interference, and it is difficult to be at peace in their hearts. Therefore, it has become a pursuit of modern people to seek the state of _ again. Some people get inner peace through meditation and yoga, while others relax through travel and leisure. Either way, it reflects people's pursuit of _ and inner peace.