《礼记·檀弓下》
他让驾车的停止追赶，说： 我们都是朝见国君没有座位，国君设宴没有席位的贱士，杀死三个敌人，也完全可以交差了。 
孔子曰： 杀人之中，又有礼焉。 
He asked the driver to stop chasing, saying: We are all humble servants who have no seats when we meet the king, and no seats when the king gives a banquet. Killing three enemies is enough to make up for it.