《晋书·帝纪·第一章》
曹爽的帐下督严世登上城楼，拉开弓箭准备射宣帝，孙谦阻止他说： 事情还没全明白。 
爽帐下督严世上楼，引弩将射帝，孙谦止之曰： 事未可知。 
Streamed general Yan Shi of Cao Shuang's camp climbed to the city wall, notched his bow and prepared to shoot Emperor Xuan, but Sun Qian stopped him, saying: "Things are not yet fully clear."