Where does the allusion to the meaning of "eat without words and sleep without words" come from?

1. "Don't speak when you eat, don't speak when you sleep." It comes from certain rules or habits of Confucius' behavior and speech.

2. From "The Analects·Xiangdang".

3. Original text: Eat without talking, sleep without talking. Even if they eat vegetable soup sparingly and offer melons as offerings, they will all be the same. If the table is not straight, you will not sit down. When the villagers drink wine, the stick comes out. This is the way to go. A native of Nuo wears court uniform and stands on the steps. Ask people in other countries, worship them again and send them off.

4. Translation: Don’t talk when you are chewing something in your mouth. When it’s time to go to bed, go to bed on time and don’t make any noise to disturb others. Even if you are eating coarse rice and vegetable soup, you must first offer a sacrifice, and you must be as respectful and solemn as when you are fasting.