2. Only when you know the pain of being responsible in life can you know the pleasure of being conscientious. -Liang Qichao

3. It is not easy to live, die and be poor. -su Shi

4. the pleasure of doing good is the only reliable happiness in life. -lev tolstoy

5. A life of trial and error is not only more glorious but also meaningful. -Bernard Shaw We live in this world not to ask for anything from life for ourselves, but to try to make others live happier. -Osborn

6. Without struggle, there is no achievement, without achievement, there is no reward, and without action, there is no life. -belinsky

7. No matter how unfortunate life is, smart people will always get a little benefit from it; No matter how happy life is, stupid people always feel infinitely sad. -La Rochefoucauld