《新唐书·列传·卷一百二十九》
思复为善思说情，也不自居恩德。时人称之为长者所得回报。
思复之解善思也，亦不自德，时称长者之报。
Si Fu was good at debating and speaking about morality, and he did not consider it as a favor. People then called it the rewards for the elderly.