《旧唐书·列传·卷十五》
不久，父亲高士廉逝世，又以竭尽孝道闻名，太宗亲手写给诏书敦促开导说 ：古人规定丧礼，哀伤但不损害身体。
无几，遭父艰，居丧复以孝闻，太宗手诏敦喻曰： 古人立孝，毁不灭身。
Soon after, his father Gao Shilian passed away, and because Gao Xingfu was again known for his filial piety, Emperor Taizong personally wrote an imperial edict to urge and instruct him, saying, "In the past, the ancients stipulated mourning etiquette as grieving but not detrimental to the body."