景德傳燈錄 19.38

19.38

益州普通山普明大師。問如何是佛性。師曰。汝無佛性。曰蠢動含靈皆有佛性。學人為何却無。師曰。為汝向外求。問如何是玄玄之珠。師曰。遮箇不是。曰如何是玄玄珠。曰失却也。

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!"