《明史·列传·卷一百九十六》
延儒揣度皇上心意，独自建议道 ：关门原来是防敌的，现在却是用来防自己的军队。
延儒揣帝意，独进曰： 关门昔防敌，今且防兵。
Yanru guessed the emperor's intention and advised : Gates are built to prevent the enemy from coming in, not to prevent our own soldiers.