Revelation: We must strengthen our motherland and stop being humiliated. We must have a strong patriotic enthusiasm.

2. Westernization Movement and other examples of China people learning from foreign countries.

Enlightenment: To actively learn from countries that are stronger than ourselves, we should not only learn advanced technology, but also introduce advanced ideas to transform society. Science and technology are the primary productive forces.

In the face of many traitors and conquered people, we should constantly purify our souls, have noble personality and spirit, and be a person worthy of our ancestors and people.

4. After the founding of People's Republic of China (PRC), the people of China actively built their motherland.

Enlightenment: We should forge ahead courageously on the road of building our country, carry forward Yang's great national spirit, forge ahead and innovate.

5. The Cultural Revolution and various unreasonable persecution activities.

Enlightenment: we should establish a correct outlook on life and values, so as to distinguish right from wrong; Resolutely do not yield to any dictatorship and tyranny. At the same time, on the road of building the country, we should draw lessons from the past and formulate correct lines, principles and policies to avoid similar mistakes from happening again.

6. The People's Commune Movement and the Great Leap Forward.

Enlightenment: We should proceed from the actual national conditions, adhere to the concrete analysis of specific problems, and look at problems with the eyes of connection, development and change. Don't blindly engage in construction, and the relations of production should be adapted to the development level of productive forces.

7. China's remarkable scientific and technological achievements.

Enlightenment: To learn the spirit of hard work and continuous innovation of scientific researchers, we should not only make achievements in our own lives, but also actively support the construction of the motherland.

Finally, through the above historical facts, we should establish a correct view of history and objectively treat and evaluate historical figures and events. We should also remember history, sound the alarm and strive to realize the great mission of national rejuvenation.