汾陽無德禪師語錄 2.195

2.195

百丈問雲居：「承聞溈山近來作水牯牛去也。」雲居云：「是。」却問百丈：「溈山水牯牛話作麼生會？」丈云：「彼此老大。」

Baizhang asked Yunju, "I have heard that Guishan recently went and became a water buffalo." Yunju said, "That is so." Then he asked Baizhang, "How do you understand Guishan's words about the water buffalo?" Baizhang said, "Both of us are old and worn."