《明史·列传·卷二十二》
李文忠问其原因，回答说： 登高观敌，其部曲浮躁不安，吵吵闹闹。 
文忠问故。对曰： 乘高觇之，其部曲徙举不安而声嚣。 
Li Wenzhong asked the reason, and the reply was: I climbed a high place to observe the enemy but my soldiers were restless and making a lot of noise.