《南史·列传·卷二十六》
袁觊临终给哥哥袁靑的信中说： 史公的才能学识可喜，足以光大先祖的基业了。 
觊临终与兄顗书曰： 史公才识可喜，足懋先基矣。 
Before his death, Yuan Ke wrote a letter to his brother Yuan Qing, saying: Shi Gong's talent and learning are praiseworthy, and he can carry forward the cause of his ancestors.