《汉书·传·赵尹韩张两王传》
宗族和宾客谋划要劫持杜建，广汉获知了他们全部的计议和主谋的名字居所，派吏卒告诉他们说： 如果这样谋划，将会并灭全家。 
宗族宾客谋欲篡取，广汉尽知其计议主名起居，使吏告曰： 若计如此，且并灭家。 
Du Jian's clan and guests planned to abduct him. Guang Han learned of their entire plan and the names and addresses of the main conspirators. He sent officials to tell them that if they proceeded with their plan, their entire families would be wiped out.