1. To be persistent, the most important thing is to stick to it.

2. Only strong people have sacred will, and those who fight can win. -Goethe

3. Bitterness and sweetness come from the outside, while strength comes from the heart and comes from one's own efforts. -Einstein

4. Despite many twists and turns, I hope the ending is good. (Russia)

5. Running water liberates its vitality only when it encounters conflict. -Goethe

6. The strong are easy to be strong, just as the weak are easy to be weak. -Emerson

7. People who are not afraid of pain are strong, and those who are not afraid of death are stronger. -Mrs. diane

8. The most obvious sign of a great man is his strong will. (UK)