The Gateless Gate: 27. It Is Not Mind, It Is Not Buddha, ...
The Gateless Gate, by Ekai, called Mu-mon, tr. Nyogen Senzaki and Paul Reps [1934]
A monk asked Nansen: "Is there a teaching no master ever preached before?"
Nansen said: "Yes, there is."
"What is it?" asked the monk.
Nansen replied: "It is not mind, it is not Buddha, it is not things."
Mumon's comment: Old Nansen gave away his treasure-words. He must have been greatly upset.