景德傳燈錄 19.38

19.38

Great Master Puming of Mount Putong in Yizhou. [A monk] asked, "What is Buddha-nature?"
The Master said, "You have no Buddha-nature."
The monk said, "All wriggling and fluttering sentient beings have Buddha-nature; why does the student instead have none?"
The Master said, "Because you seek outside."
[A monk] asked, "What is the pearl of profoundest profundity?"
The Master said, "This is not it."
The monk said, "What is the pearl of profoundest profundity?"
The Master said, "Lost!"