What are the poems about overcoming difficulties?

1. A stone can be sharpened to turn dullness into sharpness. ——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. ——Chen Yi

4. If your husband is noble and unyielding, success or failure does not matter. ——Lu You

5. There will be times when the wind blows and the waves break, and the cloud sails are hung directly to help the sea. ——Li Bai

6. Those who set great ambitions in ancient times not only had extraordinary talents, but also had perseverance.

——Su Shi