then in a footnote, Maureen Roshi says that the reference to buddha mind not being a mirror, nor a tree, nor this or that comes from the verses of Shenzhou and way none. There's this legendary story that goes with the verses. And, in the book, Zen's, Chinese heritage, Andy Ferguson says that there isn't much evidence to say that the story is true. He says, and yet it remains a cornerstone of Chinese religious culture. I'm going to paraphrase, to give a short version of the story. One day, the fifth ancestor, Hungarian, told the assembly of monks to express their understanding in a poem to be written on a wall. whomever's poem demonstrated true realization would be chosen as the sixth ancestor. The head monk Shan Soo, who happened to be the most educated among the monks, wrote the following verse. The body is the tree of wisdom, the mind, but a bright mirror at all times, diligently polish it to remain untainted by dust. Dylan should diligently polish to remain untainted by dust