Verses describing breaking through difficulties:
1. A stone can be sharpened to turn dullness into profit. ——Liu Yuxi
2. Fame and fame tend to be poor and neutral, and disasters often arise from clever places. ——Lu You
3. The heavy snow weighs on the green pines, and the pines are tall and straight. You must know that the pines are noble and pure until the snow melts.
4. Although it is hard work to search for thousands of pounds, you will only get gold after blowing all the sand. ——Liu Yuxi
5. The edge of a sword comes from sharpening, and the fragrance of plum blossoms comes from the bitter cold.
6. The jade scripture is polished into many tools, and the sword is pulled out and buried to rely on the sky.
——Wang Dingbao