《左传·成公·成公十六年》
叔孙侨如派人告诉郤犫说： 鲁国有季氏、孟氏，就好像晋国有栾氏、范氏，政令就是在那里制订的。
宣伯使告郤犫曰： 鲁之有季、孟，犹晋之有栾、范也，政令于是乎成。
Shu Sun Qiao Ru sent someone to tell Xi Qun: The state of Lu has the Ji and Meng families, just as the state of Jin has the Luan and Fan families, and that is where the government policy is set