Ta-mei Fa-chang (752-839) was a Chinese Ch'an master. After he got awakened under the Great master Ma-tsu Tao-i (709-788), he went to the Ta-mei mountain and resided there.
One day there was a traveling monk who got lost in the Ta-mei...
Along the riverbank under the trees, I discover footprints!
Even under the fragrant grass I see his prints.
Deep in remote mountains they are found.
These traces no more can be hidden than one's nose, looking heavenward.
Comment: Understanding the teaching, I see the footprints of the bull. Then I learn that, just as many utensils are made from one metal, so too are myriad entities made of the fabric of self. Unless I discriminate, how will I perceive the true from the untrue? Not yet having entered the gate, nevertheless I have discerned the path.