1. The greater the difficulty, the greater the glory. ——Cicero

2. The more difficult the environment, the harder the spirit can work hard. ——Guo Moruo

3. The edge of a sword comes from sharpening, and the fragrance of plum blossoms comes from the bitter cold. ——Lu You

4. Even if you fall down a hundred times, you must stand up a hundred and one times. ——Zhang Haidi

5. Suffering, for the weak, is the tomb of death, but for the strong, it is the soil from which ambition grows. ——Rousseau

6. Life is like an ocean. Only those with strong will can reach the other side. ——Marx