《元史·本纪·卷五》
前宣抚副使王磐脱身逃到济南。皇上用驿车召回王磐，令姚枢向他征询对策。王磐回答说： 这小子很狂妄，不久就会被抓住的。 
前宣抚副使王磐脱身走至济南，驿召磐，令姚枢问计，磐对： 竖子狂妄，即成擒耳。 
The Former Deputy Pacification Commissioner of Xuanfu, Wang Pan, fled to Jinan. The Emperor summoned Wang Pan back in a post vehicle and asked Yao Shu to seek his strategy. Wang Pan replied: “This brat is very presumptuous, and he will soon be captured.” 