1, the wood is straight by the rope and the gold is sharp. A gentleman is knowledgeable and cares about himself every day, so he will know clearly and won't do anything wrong. -"Xunzi, Encourage Learning".

2, if you don't change, it will be too much.

-"The Analects of Confucius Wei Linggong"

3. Be sensitive and cautious. -The Analects of Confucius

4, hearsay, abandon morality.

-The Analects of Confucius and Yang Huo

5. It is better to retreat and form a net than to live in a fairy garden.

-History of Rites and Music in Han Dynasty

6. When you speak, you must think of the province. If you want to be the master, you can be the guest, and naturally you will talk less.

-"The Words of Andrew's Elder"