笔老墨秀
      Explanation: Seasoned and ink pen position that rhyme handsome.
      Source: Ming Lian "Postscript Dongpo book <Ruquan Fu" after ":" Lishi Lang micro s, that old ink pen show, relying on the sea Fengtao of the gas, when the first book to Hainei Su, Cheng Zhiyan also. "