《资治通鉴·陈纪·陈纪三》
他生性目光敏锐、节俭朴实，每晚从宫中小门送来刺探外事以供分析的人，前后接连不断。
性明察俭约，每夜刺闺取外事分判者，前后相续。
Nature had given him keen eyesight and a simple, unassuming nature. Every night he sent out several trusted agents from a small palace gate to probe into outside matters and gather information, and they succeeded each other without interruption.