《后汉书·本纪·皇后纪上》
肃宗也孝性淳厚笃实，恩性天成，母子慈爱，始终没有纤维芥蒂般微小的间隙。
肃宗亦孝性淳笃，恩性天至，母子慈爱，始终无纤介之间。
Emperor Suzong was also filial and honest, his kindness was natural, the mother and son loved each other, and there was never a small gap like a mustard seed.