All history has been a history of class struggles, of struggles between exploited and exploiting, between dominated and dominating classes at various stages of social development.
至今一切社会的历史都是阶级斗争的历史，即剥削阶级和被剥削阶级之间、统治阶级和被压迫阶级之间斗争的历史。
一个公司的文化是由其领导者的行为定义的。
释义：日月想要明亮，浮云遮蔽了它们；河水想要清澈，沙石使它变污浊；人的性情想要平和，嗜好和欲望会损害了它。
"Silence between people can be louder than words."