《论衡·卷三·骨相篇》
子贡把这话告诉了孔子，孔子高兴地笑着说： 形状未必像，像个丧家的狗，倒说对啦！
子贡以告孔子，孔子欣然笑曰： 形状未也。如丧家狗，然哉！
Zigong told Confucius what he heard, and Confucius said with a smile while he was pleased, "The facial features might not be similar, but referring to him as a丧家之犬 (sāng jiā zhī quǎn) (a defeated dog) was right."