《南史·列传·卷五十三》
八年九月，他在寿安殿讲《孝经》，已通晓其大义。
八年九月，于寿安殿讲孝经，尽通大义。
In the ninth month of the eighth year, he gave a lecture on the Classic of Filial Piety at the Shou’an Palace, and had already understood its main meaning.