1 See if historical figures meet the universal values and moral standards of the society at that time. Under the specific historical background, universal social values and moral standards are the important basis for evaluating historical figures. If the actions and thoughts of historical figures conform to the universal values and moral standards of the society at that time, then they can be considered to be in line with the needs of society and correct.

2. Whether historical figures have made positive contributions to social development. A historical figure is valuable if he has innovative ideas to promote social progress and improve people's lives. For example, scientists like Newton and Einstein, whose theories and discoveries have promoted the progress of human civilization, can be regarded as making positive contributions to society.

3. Whether historical figures have maintained and promoted the well-being of mankind. If a historical figure struggles for the well-being of mankind, such as Gandhi and Mandela, they fight for the rights and interests of the people through non-violent protests and peaceful negotiations, then they should be regarded as correct.

4. When applying these standards, it is necessary to analyze the behaviors and thoughts of historical figures in combination with specific historical background. At the same time, we should also consider the motives and goals of historical figures. If the motives of historical figures are for personal gain or unreasonable goals, then their actions and thoughts should be considered wrong.

Audible and detailed historical figures:

Qin Shihuang: Qin Shihuang was an important emperor in the history of China. He unified China and carried out many important political and institutional reforms. Because of his achievements and far-reaching influence, his name is almost a household name in China.

2. Emperor Wudi: Emperor Wudi was a great emperor in the history of China. He expanded the territory and influence of the Han Dynasty and implemented many political, economic and cultural reforms. His name is also familiar in China because of his achievements and far-reaching influence.

3. Confucius: Confucius was a great thinker and educator in the history of China. He founded the Confucian school and put forward many important ideas and educational concepts. His name is also familiar in China, because his thoughts and educational ideas have had a far-reaching impact on China culture and society.