1. The environment is changed by people, and the educator himself must be educated. ——Marx

2. Love and protect the environment, protect the environment; be diligent and thrifty, and cherish resources.

3. Most of the poverty in the world is a disease, the result of bad life, bad environment and bad thoughts. ——Sachs

4. It is generally believed that happiness exists in leisure. After all, we work for leisure and fight to live in peace. ——Aristotle

5. But if you teach that there is no evil, you can stand in the midst of wolves and tigers. ——"Occasionally"

6. The environment determines people's language, religion, cultivation, habits, ideology and behavioral nature. ——Irving

7. Genius can be revealed in adversity, but a wealthy environment will bury it. ——Horace

8. The spiritual differences we see between people are due to the different environments they live in and the different educations they receive.

——Almaintenance