What is the origin of sweeping the world without sweeping the house?

The original source of this sentence is Liu Rong's Theory of Habit in Qing Dynasty. The original text is like this: if one room is not treated, how can the country be in the world? Cleaning the house helps to form good habits. With good habits, we can better govern the country in the future.

When Liu Rong was young, he studied in a room on the west side of Yanghui Hall. He looked down at the book, looked up at what he didn't understand, and paced up and down the room without an answer. There is a hole in this house, which is one foot in diameter and getting bigger and bigger. Every time I pass by, Liu Rong will trip over. At first, Liu Rong felt awkward, but after a long time, he got used to it.

One day, my father came home, looked around and found that there were potholes on the ground of the house. He smiled and said to Liu Rong, "You can't even manage a family well. How can you govern the country? " Then ask the servant to fill in the hole.

Related allusions

Chen Fan word ZhongJu, Runa Pingyu people also. In the fifteenth year of the reign of Fan, the father of Hedong, I tasted a quiet room and the courtyard was filthy. Father and friend Qin Xue, from the same county, came to wait for him and said, "Why don't you clean up for the guests?" Fan said: "The way of a gentleman is to clean the world and settle down." It is strange to know that he has clear world ambitions.

Commentary: When Fan Chen was fifteen years old, he once lived alone in a place where the yard and house were in a mess. Qin Xue, his father's friend in the same city, came to visit him and said to him, "Young man, why don't you clean the room to welcome the guests?" Chen Fan said: "A gentleman takes it as his duty to sweep away the evils in the world. You can't care about a room. " Qin Xue thinks that he has the ambition to clarify the world and is different from others.