China's Warring States era, one so good at the wheel of the craftsmen, and his name is flat round. One day, Qihuan Gong temple in the studyReluctant to leave hall in the next round of the cut the wheel. Qi Huangong beauty ofFor the most difficult to finish the fence reading read, can not help Yaotouhuangnao, levied population, is veryUrn holds for the elderly proud of. Round flat Huangong see this love, wonder that in mind. He put down the awl, the chisel, asked Tang Shang Qi Huangong go, said: "I would like to ask, you seePaodingjieniu the king, above what is written?" Qi Huangong replied: "books written by saints is talking about Truth. "Flat round, said:" I would like to ask King, the Saints still alive? "Qi Huangong said:" Bucai treesThey are all dead. "Round flat then said:" Well, you read King's book, but the ancients left behind Discard it. " Qi Huangong is very disappointing. He flat round, said:"I am hereJian Yin Chun Yukun to study, you do the wheel of a , how blind can talk? Saints you leave the book is dross, if you can talk about a reason to come out, I could Rao You, if you are unable to explain Kennedy gourd uselessto my non-kill, you can not! " Leisurely round of the flat answer Qihuan Gong said: "I am from their professional experience and look at the matter. I say this wheel cut it, slowly, the wheel on a cut Smooth but not solid; move faster, the wheels on a rough cut and Tiren identification of the horsesub-standard. Displeased not only slow, be handy, to produce the best quality of the wheel. In view of this, it also cut the wheel of the law. But I only know from experience to be, but it is very difficult to understand his words to teach my son Maiduhaizhuto listen to, so my son from me will not be able to cut the wheel to learn the real skills, so I have a 70-year-old, Have in mind their own hands to feel cut the wheel. This shows that the ancient sages can only sense the minds of many, can not explain in words theNext year do not acted stealthily essence of as they have already died, then the king today, you can read, of course, Some can only be skin-deep rough left of the ancients of the East and West. " This fable tells us that experience is very important because it not only have a theoretical knowledge of the source, and some sophisticated techniques from the book is hard to get.