十六大把“三个代表”重要思想确立为党必须长期坚持的指导思想,是因为“三个代表”重要思想,进一步地阐明了什么是社会主义、怎样建设社会主义,从根本上回答了建设什么样的党、怎样建设党的问题,大大深化了我们党对执政规律、社会主义建设规律、人类社会发展规律的认识,指明了 The 16th Party Congress established the important thinking of the ’Three Represents’ as the guiding principle that the party must last long because of the important thinking of the ’Three Represents,’ further clarifying what is socialism and how to build socialism, and fundamentally answered The question of what kind of party to be built and how to build the party has greatly deepened our understanding of the law of governance, the law governing the building of socialism and the laws governing the development of human society.