1, learn those key things, you must stride forward, go far and look back, and the original things will disappear.

2. If you think you don't know much, then you are very knowledgeable; If you think you know everything, you are probably uneducated. We should cultivate such people, who are full of problems. This kind of person is what our country needs.

3, from righteousness to reason, from solidity to flow, alternating adversity, unyielding grievances, changing the number of honors and disgraces, the stronger the older, this is the perfect mechanics of his life! Nameless, unprofitable, regretless, affectionate, righteous and motherland.

I have a lot of money, but why should I work hard? Because I love my motherland deeply!

The strength of a country is not manifested in the military, but in the happiness of its people.

6. I am a scientist, but I am also a Democrat. The two are not contradictory.

7, a person should have patriotic enthusiasm, but not hot-headed, to remain rational.

8. I am a patriot. I love my country and China more.

9. China has no national inferiority, but there are many bad habits.

10, my life goal is to be loyal to the country and serve the people.

Qian Weichang's contribution:

1. In the field of science, Qian Weichang mainly involves mechanics, physics, China informatics and other disciplines. He established China's first elastic equation, which laid the foundation for China's machinery manufacturing and aviation industry. Qian Weichang also participated in scientific research in the fields of nuclear energy and meteorology, such as presiding over and guiding the successful development of geothermal power generation and seawater desalination technology, bionic pesticides, and blind abnormal bending of the fifth generation fighters.

2. In the field of education, Qian Weichang attached great importance to the all-round development of students, and put forward educational theories such as teaching eight blocks and learning eight blocks. He served as the president of Tsinghua University for a long time and made great contributions to the development of education in China.

As a social activist, Qian Weichang has made unremitting efforts for the reunification and development of the motherland for a long time. He participated in many international conferences and organized activities, and made important contributions to enhancing the international image and status of the motherland.

As a patriot, Qian Weichang's love for the motherland is deeply rooted in his heart. He always insisted on fighting for the development and prosperity of the motherland and made indelible contributions to the progress and prosperity of the motherland.