共产主义是无产阶级的整个思想体系，同时又是一种新的社会制度。这种思想体系和社会制度，是区别于任何别的思想体系和任何别的社会制度的，是自有人类历史以来，最完全最进步最革命最合理的。封建主义的思想体系和社会制度，是进了历史博物馆的东西了。资本主义的思想体系和社会制度，已有一部分进了博物馆（在苏联）；其… - Mao Zedong

不但要关心党的干部，还要关心非党的干部。党外存在着很多的人材，共产党不能把他们置之度外。去掉孤傲习气，善于和非党干部共事，真心诚意地帮助他们，用热烈的同志的态度对待他们，把他们的积极性组织到抗日和建国的伟大事业中去，这是每一个共产党员的责任。

As we have said, one must not treat all the contradictions in a process as being equal but must distinguish between the principal and the secondary contradictions, and pay special attention to grasping the principal one. But, in any given contradiction, whether principal or secondary, should the two contradictory aspects be treated as equal? Again, no. In any contradiction the development of the contradictory aspects is uneven. Sometimes they seem to be in equilibrium, which is however only temporary and relative, while unevenness is basic. Of the two contradictory aspects, one must be principal and the other secondary. The principal aspect is the one playing the leading role in the contradiction. The nature of a thing is determined mainly by the principal aspect of a contradiction, the aspect which has gained the dominant position.

江山如此多娇，引无数英雄竞折腰。惜秦皇汉武，略输文采；唐宗宋祖，稍逊风骚。一代天骄，成吉思汗，只识弯弓射大雕。俱往矣，数风流人物，还看今朝。