-- The Question --

Guishan asked Dasui Fazhen, “You’ve been practicing here with me for some time. Why haven’t you asked any questions?”

Dasui said, “What would you have me ask?”

Guishan said, “Why don’t you ask, ‘What is Buddha?’”

Dasui abruptly covered Guishan’s mouth with his hand.

Guishan exclaimed, “You’ve truly attained the marrow!”