1, human beings tend to be precocious, young people are confused, middle-aged people like to compare other people's achievements with their own, so they feel frustrated, and finally live to be a silly child who has not grown up. We have been living a rough life, and people's life has passed like this. -Sanmao (China)

Don't wait for tomorrow what you do today, and don't wait for others what you do. -Goethe (Germany)

3. My so-called survival is not living; The so-called food and clothing is not a luxury; The so-called development is not indulgence. -Lu Xun (China)

4. A ticking clock. -Gorky (former Soviet Union)

5, the book is used, I am not so annoying, I don't know it is difficult to do things. -Lu You (Southern Song Dynasty in China)

6. Only when the light smoke of youth drags away the joy of teenagers can we get everything worth learning. -Pushkin (Russia)

7. Society is like a ship, and everyone should be ready to steer. -Ibsen (Norway)

8. What is known must be good, what is good must be sought, and what is sought must be won. -Cheng Yi (Northern Song Dynasty in China)