《陈书·列传·卷二十六》
殷不佞居处的礼节，仍如开始听闻丧讯时一样，这样又过了三年。
不佞居处之节，如始闻问，若此者又三年。
Yin Buning's residential etiquette remained the same as when he first heard the news of his bereavement, and this continued for another three years.