《北史·列传·卷六十三》
御正颜之仪直言切谏，宣帝不采纳，元岩上殿继续劝谏，摘去头巾，磕着头，三拜三进。
御正颜之仪切谏不入，岩进继之，脱巾顿颡，三拜三进。
He used the ritual of remonstrating to the emperor to speak his mind frankly and remonstrate with him, Emperor Xuan refused to accept his advice, and Yuan Yan went up to the hall to continue his remonstration, taking off his headdress, kowtowing, and bowing three times and advancing three times.