《资治通鉴·陈纪·陈纪四》
高俨本意只杀死和士开一个人，他的党羽却胁迫高俨说： 事情已经如此，不能中止。 
俨本意唯杀士开，其党因逼俨曰： 事既然，不可中止。 
Gao Yan originally intended to kill only He Sika, but his confidants coerced Gao Yan, saying: Now that things have come to this, we can't stop.