1. If you don't judge the book, you will misunderstand it, and if you don't examine the unknown, you will pass it. -"Guan Zi Zhou He"

2. People who don't want to see are even more invisible than blind people. -English bould

3. Observe, observe, and then observe. -Pavlov

4. Carefully observe the reasons why those arrogant, unchanging and arbitrary dinosaurs in the industry fell overnight.

5. The harmonious application of observation and experience to life is wisdom. -Goncharov

6. If you want to see the truth, pay close attention to it everywhere. -song fan

7. look for mystery in observation and find happiness in mystery. -ding langyi

8. observer, there is no difficulty in the world. as long as you observe its mystery, you will surely succeed. -Zhang Zhiqing

9. Put on sunglasses and the world will lose its luster immediately before your eyes. Personal misfortune is often the sunglasses for the vulnerable to observe life. -bacon