《史记·七十列传·管晏列传》
在朝廷上，国君说话涉及到他，就正直地陈述自己的意见；国君的话不涉及他，就正直地去办事。
其在朝，君语及之，即危言；语不及之，即危行。
In the court, whenever the monarch spoke to him, he frankly expressed his thoughts. When the monarch did not consult him, he simply but honestly carried out his duties. 