1. A stone can be sharpened to turn dullness into sharpness. ——Liu Yuxi
2. When you are poor and strong, you will not fall into the clouds. ——Wang Bo
3. If a husband is noble and persistent, success or failure does not matter. ——Lu You
4. There is no need to worry about the dangers and hardships of a stone without a feather. ——Li Bai
5. Studying is like getting on a boat, and you cannot slow down for a moment.
——Zhu Xi