Fan Wencheng's famous words in persuading Dorgon to enter the Pass are as follows:

1. The Qing Dynasty won the world because of the will of God, the destiny of the country, and the people's hearts.

This sentence was said by Fan Wencheng in front of Dorgon, which means that the establishment of the Qing Dynasty was in line with God's will, national destiny and people's hearts. He believed that the Qing Dynasty was a dynasty governed by heaven and should obey the will of heaven and the people. This was one of the important reasons why the Qing Dynasty was able to unify China.

2. Ming and Qing are like spring and autumn. Spring has spring flowers, and autumn has autumn fruits. The clear inheritance of Mingxu is the natural principle.

This sentence was said by Fan Wencheng in a letter to Dorgon, which means that the Ming Dynasty and the Qing Dynasty are like spring and autumn, with their own characteristics and advantages. The Qing Dynasty inherited the rule of the Ming Dynasty, which was also in line with the laws of nature. He believed that the Qing Dynasty should learn from the governance experience of the Ming Dynasty and constantly improve its own governance methods.

3. If you do not cultivate your virtue, your life will be hard to protect.

This sentence was said by Fan Wencheng when he persuaded Dorgon to pay attention to the rule of virtue. He believes that if rulers do not pay attention to moral cultivation and people's livelihood issues, it will be difficult for the people to survive and the country will not be able to maintain long-term stability. He emphasized the importance of moral governance in maintaining national stability.

4. The most important thing is not having many soldiers, but the most important thing. The most important thing is not courage, but strategy.

This sentence was said by Fan Wencheng when talking about military affairs. He believes that the importance of an army is not in large numbers but in excellence, and that a general is not in bravery but in strategy. He emphasized the decisive role of the quality of the army and the wisdom of the generals in the outcome of the war.

Fan Wencheng's important contributions:

1. Formulating the Qing Dynasty's strategy for entering the Pass: After Fan Wencheng surrendered to the Qing Dynasty after the Ming Dynasty officials surrendered to the Qing Dynasty, he actively participated in the Qing Dynasty's plan to enter the Pass. He made many valuable suggestions to Dorgon, the regent of the Qing Dynasty, such as taking advantage of the contradiction between the peasant army and the Ming Dynasty.

Use political and military means to divide and disintegrate the peasant army, and adopt the strategy of using Han to control Han, using Han bureaucrats and troops to control the Central Plains region. These strategies played an important role in promoting the Qing Dynasty's smooth entry into the Central Plains.

2. Participate in the formulation of the Qing Dynasty’s national system: After Fan Wencheng entered the Qing Dynasty, he actively participated in the formulation of the Qing Dynasty’s national system. He played an important role in the formulation of important codes such as the "Qing Code" and played an important role in standardizing the legal system and social order of the Qing Dynasty.

At the same time, he also put forward many useful suggestions, such as promoting the farming system, reforming the tax system, strengthening official assessment, etc., which provided an important guarantee for the stability and development of the Qing Dynasty.

3. Promote the development of culture and education in the Qing Dynasty: Fan Wencheng’s contribution to culture and education cannot be ignored. He advocated Confucianism, praised the doctrines of Neo-Confucians, and advocated moral concepts such as loyalty, filial piety, and benevolence. He also held important positions in the bureaucracy of the Qing Dynasty and played an important role in promoting the development of culture and education in the Qing Dynasty.