恩格斯曾指出：“我们党有个很大的优点，就是有一个新的科学的世界观作为理论的基础，……”这个世界观就是辩证唯物主义和历史唯物主义。历史上．我们党依靠这个理论基础认识世界、改造世界，而且“在革命活动中，在改造环境的同时也改变着自己’”，⑤）从而取得了革命和建? Engels once pointed out: “Our party has a great merit in that there is a new scientific worldview as the basis of the theory...” This worldview is dialectical materialism and historical materialism. in history. Our party relies on this theoretical foundation to understand the world and transform the world. What is more, our party has achieved revolution and built “in the revolutionary activities, while changing the environment and changing ourselves.”