《资治通鉴·梁纪·梁纪四》
现在被侯刚打死的这个羽林卫士，问他什么就供认什么，侯刚却嘴里大叫打死他，无理拷打，怎能说是 不经意 ！ 
今此羽林，问则具首，刚口唱打杀，挝筑非理，安得谓之 邂逅 ！ 
Now, the Yulin guardsman who had been beaten to death by Hou Gang had admitted all of the charges against him when he had been questioned, but Hou Gang had shouted "beat him to death!" and beat him cruelly. How can you say that this was 'inadvertent'?"