1. Sometimes in life, a person pays the highest price for what he gets for nothing. -Einstein's My View of the World

2. The growth of any new thing has to go through difficulties and twists and turns. In the socialist cause, if you want to go through difficulties and twists and turns and make great efforts, it will always be smooth sailing and easy to succeed. This idea is just an illusion. -Mao Zedong's Theory of Practice

3. The meaning of life lies in giving, not in receiving, nor in fighting for it. -Ba Jin's Random Thoughts

4. You may not get anything if you work hard, but you will never get anything if you don't work hard. -Lun Wright's On organic architecture

5. No matter how good or bad the result of experience is, it will be a great sacrifice. Although it is a small matter, it will inevitably pay an amazing price. -Lu Xun's "Hua Gai Ji"

6. I have always maintained such a belief in my life that the meaning of life lies in giving, giving, not accepting, nor fighting. -ba Jin's hakuouki zuisouroku

7. not wanting to pay is not proportional to getting it. No matter what. Although paying is not for return, everyone wants to return. If you pay for it for a long time, anyone will feel tired and tired. When you are tired, you will get tired. If you are bored, you will leave. If you leave, you will have no life. -Zhang Ailing's Red Rose and White Rose