《北史·列传·卷三十八》
辛雄劝他说： 您在朝廷以外指挥军队，怎么有利就怎么办，有合适的机会就进攻，何必墨守成规？ 
雄曰： 王执麾阃外，唯利是从，见可而进，何必守道？ 
Xin Xiong advised him, "You are commanding the army outside of the court. You should just respond to the situation. If the opportunity is right, you should advance. Why do you need to follow a strict standard?"