有个学生请教爱因斯坦逻辑学有什么用。爱因斯坦问他：“两个人从烟囱里爬出来，一个满脸烟灰，一个干干净净，你认为哪一个该去洗澡？”“当然是脏的那个，”学生说。“不对。脏的那个看见对方干干净净，以为自己也不会脏，哪里会去洗澡？”逻辑学的用处 There is a student to ask Einstein logic What is the use. Einstein asked him, “Two people climbed out of the chimney, one covered with soot, one clean, which one do you think should be taken to the bath?” “Of course, the dirty one,” said the student. "No, grubby see each other clean, that they will not dirty, where will go to take a bath?