《明史·列传·卷八十一》
贞吉那时已年过六十，但说起话来理直气壮，行走坐立仪表堂堂，穆宗对他很注重。
贞吉年逾六十，而议论侃直，进止有仪，帝深注意焉。
Zhen Ji, who was over sixty years old at that time, was always righteous when speaking; his behavior was dignified whether walking or sitting, and he was highly valued by Muzong.