《左传·成公·成公十七年》
郤氏听到这件事，郤锜想要攻打厉公，说： 虽然我们一族就要死了，国君也必定危险了。 
郤氏闻之，郤锜欲攻公，曰： 虽死，君必危。 
When the Xi clan heard about this, Xi Qi wanted to attack Duke Li, saying: Although our clan is about to die, the monarch is also bound to be in danger.