1. Ask the canal where it can be so clear, so that there is a source of living water. ——Zhu Xi "Impressions after Reading the Book"

2. Preserve the laws of nature and destroy human desires ——Zhu Xi.

3. The principles of self-cultivation, ordering the family, governing the country, and bringing peace to the world in a university are basically just a matter of integrity and sincerity. ——Zhu Xi.

4. The world's affairs are caused by laziness and selfishness - Zhu Xi.

5. It is easy for a young man to learn from an old man, and it is difficult to learn from an old man. One inch of time should not be taken lightly. I haven't noticed the dream of spring grass in the pond, but the phoenix leaves in front of the steps have already sounded in autumn. ——Zhu Xi's "Poetry to Encourage Learning"

6. There is no other way to study, but to be diligent and humble, and to play it repeatedly and carefully is to be effective. ——Zhu Xi.