"Culture is the soul of a country and a nation. Culture rejuvenates the country and makes the nation strong." China's power. From the first volume to the fourth volume, this work focuses on the latest achievements of the sinicization and modernization of Marxism. When socialism with Chinese characteristics enters a new era, looking outward, the world's ideological and cultural interaction; Looking inward, China's social ideology has undergone profound changes. In the past ten years, the situation in the ideological field has undergone an overall and fundamental transformation - to establish and adhere to the fundamental system of Marxism as the guiding role in the ideological field, improve the responsibility system for ideological work, and promote the whole Party to focus on propaganda and ideological work, and to be responsible, responsible and conscientious; Convene a national conference on propaganda and ideological work, respectively holding a symposium on literature and art work, the Party's work of news and public opinion, network security and information technology, philosophy and social science work, and a national conference on ideological and political work in colleges and universities, to clarify principles and positions, clarify theoretical rights and wrongs, and correct work orientation; Arm the whole Party, educate the people, guide practice with the Party's innovative theory, deepen the research and construction of Marxist theory, and promote the construction of the discipline system, academic system, and discourse system of philosophy and social sciences with Chinese characteristics; We will promote the integrated development of the media, improve the Internet leadership and management system, adhere to the rule of the network according to law, and create a clear cyberspace... A series of important speeches, major deployments, and powerful initiatives will continue to consolidate the upward trend in the ideological field. In the past ten years, the cohesion and centripetal force of the whole society have been greatly improved - in the midsummer of 2021, the CPC History Exhibition Hall opened. For more than a year, people from all walks of life have come here to visit in an endless stream, to understand the spiritual lineage of Chinese Communists and understand the original mission of a great political party. Man has no spirit