雲門匡真禪師廣錄 2.469

2.469

或云：「龍潛師溺起自何來？作麼生是不活底句？」代云：「有什麼難辨？」

Or he said, "When the dragon hides and the master drowns, from where does it arise? What is the non-living phrase?" Answering on their behalf, he said, "What is difficult to discern?"