1, tyranny is fiercer than tigers: the rulers of the Qin Dynasty implemented a series of extremely strict laws and policies, and brutally exploited and oppressed the people. This tyranny made people's lives miserable and social contradictions intensified, which eventually led to the demise of the Qin Dynasty. This enlightens us that we must implement people-oriented governance, pay attention to people's livelihood and reduce people's burden.

2. Those who win the hearts of the people win the world: the rulers of the Qin Dynasty covet personal interests and ignore the lives of the people, resulting in the loss of the hearts of the people. This made the other six countries unite against the Qin Dynasty, which eventually led to the demise of the Qin Dynasty. This enlightens us that we must put the interests of the people first and win the hearts of the people in order to achieve long-term stability.

3. Clean politics and oppose corruption: the rulers of the Qin Dynasty were corrupt and extorted, making people's lives more difficult. This enlightens us that we must maintain political clarity and oppose corruption in order to win the hearts of the people.

4. Attach importance to talents: The rulers of the Qin Dynasty did not attach importance to talents, which made many talented people not be reused. This made the Qin Dynasty lose many important supporters and collaborators, which eventually led to the demise of the Qin Dynasty. This enlightens us that to realize the prosperity of the country, we must attach importance to talents.

5. Reform and innovation: The rulers of the Qin Dynasty were too conservative to carry out reform and innovation. This made the technology and system of the Qin dynasty gradually lag behind other countries, which eventually led to the demise of the Qin dynasty. This enlightens us that we must keep an open mind and be brave in reform and innovation in order to keep pace with the times.

The Historical Contribution of Qin Shihuang

1, Qin Shihuang was a great unifying figure in the history of China: Qin Shihuang successfully unified China, which was torn apart during the Warring States Period, ended the feudal regime that lasted for hundreds of years, and established the first unified centralized state in the history of China. This achievement is of great historical significance and laid the foundation for China's political, economic and cultural development.

2. Carry out a series of reforms: Qin Shihuang carried out a series of important reforms, such as legalism, unified writing, weights and measures, and currency. These reforms laid the foundation for China's political, economic and cultural development, and had a far-reaching impact on the history of China.

3. Building the Great Wall of Wan Li: Qin Shihuang built the Great Wall of Wan Li, which not only defended the frontier of China, but also became one of the symbols of China's history and culture. Promoting economic development: Qin Shihuang implemented a series of economic policies, such as reforming agriculture, handicrafts and commerce, which promoted the economic development of China.