《北史·列传·卷六十二》
裴蕴亦是机敏善辨，论述法典刑理，口若悬河，不论刑罚轻重，都是由裴蕴一口决定，解剖析理，明辩敏锐，当时的人不能有什么疑问。
蕴亦机辩，所论法理，言若悬河，或重或轻，皆由其口，剖析明敏，时人不能致诘。
Pei Yun was also quick-witted and eloquent. When discussing legal principles and penal laws, he would speak eloquently. No matter how light or heavy the penalty was, it was entirely up to Pei Yun to decide. He would analyze and clarify the case sharply and logically, leaving no room for doubt.