南方某风水先生到北方看风水,恰逢天降大雪,乃作一首歪诗:“天公下雪不下雨,雪到地上变成雨;早知雪要变成雨,何不当初就下雨.”他的歪诗又恰被一牧童听到,亦作一首打油诗讽刺风水先生:“先生吃饭不吃屎,饭到肚里变成屎;早知饭要变成屎,何不当初就吃屎.”在上面的故事中,小牧童能够成功地驳斥风水先生,用的是一种类比的方法.驳斥了风水先生否定事物普遍运动的规律,只强调结果,不 Southern feng shui to see the feng shui in the north, coincides with the heavy snow, is a crooked poem: “Snow does not rain, the snow to the ground into the rain; already know the snow to become rain, why not rain at first . ”His crooked poem was just heard by a shepherd, also made a hitting oil feng shui gentleman: “ Mr. eat eat feces, rice into the stomach into feces; early meal to become feces, why not Eat shit. ”" In the above story, Little Shepherd succeeded in dismissing Mr. Feng Shui, using an analogy, refuting Mr. Feng Shui’s law that denies the general movement of things and emphasizing the results only, not