从前,有个智者下乡旅游,路过一片农田,看见一位老人正驾驭两头牛在田间耕作。智者走过去问老人:“这两头牛哪个更好呢?”老人没吱声,继续耕作。智者感到很奇怪,便跟在老人的后边走到田头,又向老人问了一遍哪头牛好。老人把牛放在地头上吃草,然后附在智者的耳边小声说:“草地边 Once upon a time, there was a wise man traveling to the countryside passing by a field of farmland, where he saw an old man driving the two cows in the field. Wise men walked to ask the elderly: “Which of the two cows which is better?” The elderly did not say anything, continue farming. The wise man felt very strange, he went to the fields behind the old man, and asked the old man again which cow good. The old man put the cow grazing on the ground, then whispered to the wise man’s ear: "The grassy side