1. The Tao cannot be separated for a moment, but it is not the Tao. Therefore, a gentleman should be cautious about what he does not see and be afraid of what he does not hear. Don't see what is hidden, don't show what is subtle, so a gentleman should be careful about what he is alone." - "The Book of Rites: Doctrine of the Mean"

2. The so-called person who is sincere in his intention should not deceive himself. Just like a bad smell, If you are fond of lust, this is called being self-effacing. A villain must be cautious about being alone. When he sees a gentleman, he is disgusted with it. , then what is the benefit? This means that sincerity is in the middle and appearance is in the outside. Therefore, a gentleman must be cautious about his independence. It is not fragrant; the boat is in the river and the sea, and it does not float because of nothing; a gentleman does what is right, and does not stop because of ignorance. It is like this in the obvious places, even in the subtle and hidden places, which are unknown to people. It is like this in the small things, and it is like this in the big places. It is like this in the obvious places, and it is also like this in the hidden places. Nothing can be said to be "sincere" - Zhu Xi

5. There is no essence other than independence, and there is no effort except caution. - Liu Zongzhou

6. When you are alone and no one is paying attention, you should also be cautious in your behavior. - "Ci Hai"

7. When a person is working independently without supervision and is likely to do all kinds of bad things, Don't do bad things, this is called being cautious and independent. ——Liu Shaoqi

8. Be upright and honest, set an example for yourself, be cautious about being alone, be cautious about self-improvement, be careful about your desires, be cautious about being modest, and be cautious about independence. Think about things and do things.

10. Know your shame, know your fear, and be cautious in your words and actions.