Remonstrative rhetoric is the content commonly seen in chinese classics . In the traditional feudal society , how do courtiers in humble status remonstrate their lord , protecting themselves and achieving the goal ?

劝谏辞令是中国经典里常见的内容，在传统封建社会体系下，处在卑位的臣子，如何以言语劝谏君主，既能保全自己，又能达到目的？