《旧唐书·列传·卷四十七》
幽求已和朝臣定好计谋，愿以身正此事，赴死如归。
刘幽求已共臣作定谋计讫，愿以身正此事，赴死如归。
Liu Youqiu had already made the plan with the government officials, and volunteered to take action on the matter himself, willing to die for the cause.