两个学生找到一位来自希腊的老师问道:“老师,究竟什么叫诡辩呢?”老师稍微思考了一下,说:“有两个人到我这里来做客,一个人很干净,一个人很脏。我请这两个人洗澡,你们想想,他们两人中谁会洗呢?”“那还用说,当然是那个脏人。”学生脱口而出。“不对,是干净人。”老师反驳道,“因为他养成了洗澡的习惯;脏人却认为没什么好洗的。再想想看,是谁先洗澡了呢?” Two students found a teacher from Greece asked: “Teacher, what is the sophistry?” The teacher thought a moment, said: “There are two people come to me to be a guest, a person is very clean, a People are dirty. I invite the two people to take a shower, you think about them, who will wash it? ”“ And that is, of course, the dirty man. ”“ Students blurted out. ”The teacher is retorted: " Because he developed the habit of taking a bath, but the dirty person did not think that he had any good time to wash it.