Yunmen's Lion with Golden Hair (BCR39)

KOAN:

A student asked Yunmen, “What is the pure and everlasting body of reality?”
Yunmen said, “A fence of flowers and healing herbs.”
The student asked, “What’s it like when I reach there?”
Yunmen said, “Golden-haired lion!”

—Blue Cliff Record Case 39 (transl. by John Tarrant & Joan Sutherland)