《新五代史·列传·死事传第二十一》
孙晟口吃，碰上人不能寒喧应酬，不久坐定后，论辩机锋四出，听的人不知疲倦。
晟为人口吃，遇人不能道寒暄，已而坐定，谈辩锋生，听者忘倦。
Sun Sheng stuttered. When he first met people, he couldn't chat with them, but soon after he sat down, he debated with them and the listeners were impressed.