雲門匡真禪師廣錄 2.20

2.20

He brought up the insentient preaching the Dharma. Suddenly hearing the sound of the bell, he said, "Old Śākya is preaching the Dharma!" He abruptly held up his staff and asked a monk, "What is this?" The monk said, "A staff." The Master said, "You will not even dream of it in the year of the donkey."