《笑林广记》讲有个懒人饿死之后,阎王罚他下辈子做猫,他只提了一个请求:请阎王把自己变成一只全身黑色只留鼻子发白的猫。阎王问何故,他说,这样他蹲在一个暗处,到处黑乎乎的,老鼠看到白色的鼻子,以为是米糕,前来偷食,他一张嘴便能吃到老鼠,岂不减了多少功夫!不知从什么时候起, “Laughing Lin Guang Kee” said that after a lazy person starved to death, the King of Penalty punished him for his next life as a cat. He only made one request: Ask the King to turn himself into a black cat with a white nose. Why did King Wen ask him, he said, so that he squatted in a dark place, dark everywhere, the mouse saw the white nose, thought it was a rice cake, came to steal food, he could eat a rat with a mouth, and never lose it. How much effort! I do not know when