If three people walk together, one of them must be qualified to be my teacher.

Admit that you know what you know, admit that you don't know what you don't know

See xian Si Qi Yan, see xian Si Qi introspection.

2. Talking about learning methods:

Study and review from time to time.

Review the past and learn the new.

Learning without thought is lost, thinking without learning is dangerous

3. Talk about self-cultivation:

Is it not delightful to have friends coming from distant quarters?

If three people walk together, one of them must be qualified to be my teacher.

Every day I look at myself from three aspects.

An educated gentleman cannot but be firm and broad-minded.

/kloc-Sweat at the age of 0/8, and then know that the pine and cypress will wither.

Do as you would be done by.