《北史·列传·卷六十四》
炀帝见到来弘等人，非常高兴，说 ：你的父亲擅自赶赴国难，真是忠臣。 
帝见弘等甚悦，曰： 汝父擅赴国难，乃诚臣也。 
When Emperor Yang saw Lai Hong and others, he was very pleased and said: "Your father rushed to a national crisis of his own initiative and is truly a loyal subject.