《南齐书·列传·卷二十三》
不久褚渊生病了，皇上观察星象认为将连续发生变故，褚渊很担忧，便上表要求退下来。
从之。寻增渊班剑为三十人，五日一朝。
Not long after, Chu Yuan fell ill, and the emperor observed the celestial phenomena and believed that there would be continuous changes. Chu Yuan was very worried, so he submitted a memorial requesting to step down.