《旧唐书·列传·卷六十八》
初，晏等人承受旨意，缙亦被处以极刑，晏对涵说： 重复施以重刑，是国家的法典，何况杀大臣，岂能不再次上奏！
初，晏等承旨，缙亦处极法，晏谓涵曰： 重刑再覆，国之常典，况诛大臣，岂得不覆奏！
In the beginning, Liu Yan and the others were ordered to sentence Jin to death as well. Liu said to Li Han, “To execute so many high-ranking officials is against the national code of laws. How can I execute a minister without a second decree?”