《新五代史·列传·唐臣传第十六》
垒虐革自从任宰相以来，碰上天下多灾多难，而正吃丹砂炼气以求长生不老，曾吐血几天，几乎死去。
革自为相，遭天下多故，而方服丹砂炼气以求长生，尝呕血数日，几死。
Ever since Doulu Ge became chancellor, he has been encountering many natural disasters, and he was trying to refine minerals and Qi in order to live forever, he once vomited blood for several days and nearly died.