李延明近期撰文说，什么是《共产党宣言》所阐述的一般原理呢？我认为，就是恩格斯在１８８３年德文版序言中所说的《宣言》的基本思想。恩格斯说，贯穿《宣言》的基本思想是：“每一历史时代的经济生产以及必然由此产生的社会结构，是该时代政治的和精神的历史的基础，因... Li Yanming recently wrote that what is the general principle set forth in the “Communist Manifesto”? I think it is the basic idea of ​​the Declaration declared by Engels in the preface to the 1883 German edition. Engels said that the basic idea that runs through the “Declaration” is: "The economic production in each historical era and the social structure that must result from it are the basis of the political and spiritual history of the era.