1. Li Siguang’s famous sayings

1. Even if we only see a glimmer of truth, we cannot dim its brilliance.

2. I am a descendant of Yan and Huang, so it is natural that I should dedicate all the knowledge I have learned to my dear motherland.

3. Science is an honest thing, and it relies on the labor and wisdom of many people to accumulate.

4. You cannot see the truth without doubt, so I hope everyone will adopt a skeptical attitude and not be overwhelmed by established doctrines.

5. Science respects facts and cannot make up random reasons. Come and share a theory.

6. China is not poor in oil.

7. Work hard to learn and serve the country.

8. The rugged five-ridge road, I am sorry for you to follow me. The peaks and mountains are hidden and visible again, surrounding the head of Xiangshui.

9. The wind and clouds suddenly changed color, and the miasma covered Jinou. Where are the mountains? The stone traces will last for thousands of years.

10. The true scientific spirit must be developed from correct criticism and self-criticism. Real scientific results must stand the test of facts. With such double protection, we can do it with confidence and boldness, and will not dig ourselves into the trap of arrogance.

11. We must vigorously break down some old and unrealistic things, whether they are foreign or local, and boldly create new methods and new theories to Solve our problems.

12. You cannot see the truth without doubt, so I hope everyone will adopt a skeptical attitude and not be overwhelmed by established doctrines.

13. So ambitious. The old saying goes well: "When you travel far, you feel inferior; when you climb high, you humble yourself."

14. We must be ambitious, but we must avoid being descendants of Yan and Huang. Dedicated to my dear motherland.

15. We must remember that the silkworm that has made a cocoon cannot see the world outside the cocoon.

16. Scientific research work is especially creative and must rely on self-reliance. Of course, being self-reliant does not mean closing yourself off.

17. The existence of science depends entirely on its new discoveries. If there are no new discoveries, science will be dead.

2. Introduction to Li Siguang

Li Siguang, a geologist, was born in Huanggang, Hubei and is of Mongolian ethnicity. In May of the 30th year of the reign of Emperor Guangxu (1904), he went to Japan to study at Osaka Polytechnic's Marine Engineering Department at official expense. He graduated in the second year of Xuantong (1910), during which time he joined the Tongmenghui and later participated in the Revolution of 1911. After the Revolution of 1911, he went to study in the UK and graduated from the University of Birmingham in the UK with a master's degree in 1919. Returned to China in 1920. After the founding of the People's Republic of China, he successively served as Vice President of the Chinese Academy of Sciences, Director of the Institute of Paleontology of the Chinese Academy of Sciences, and Minister of the Ministry of Geology. His works include "Chinese Geology", "Introduction to Geomechanics", "Seismic Geology", "Astronomy, Geology and Paleontology", etc. In 1958, Li Siguang joined the Communist Party of China after being introduced by He Changgong and Zhang Jinfu, and became a communist fighter from a national democrat. After the 1960s, Li Siguang's health became worse and worse due to overwork, but he still devoted himself with great enthusiasm and energy to earthquake prediction, forecasting and geothermal utilization. On April 29, 1971, Li Siguang died of illness at the age of 82. Li Siguang wrote this poem in his early years to commemorate a good student, and it is also a glorious portrayal of his lifelong engagement in geological scientific research.