Instruction:

Where right and wrong intermingle, even saints cannot know. When rebellion and subservience cross paths, even Buddhas cannot speak. Having become the one without equal and beyond compare, he reveals the ability of a great person standing out from the crowd. He walks across icy peaks; he runs on top of swords. Just like the head and horns of the kirin, like a lotus in fire. Seeing another who has transcended all barriers, he knows immediately that person is of the same way. Who is a good match for him? To test, I cite this case. Look!

Case:

Jôshû asked Tôsu, "How is it when a person who has died the great death returns to life?" Tôsu said, "I won't admit night-wandering vagabonds. You must come in the light of day."

Verse:

In life there is an eye but nevertheless it is the same as dead.

What need is there for restrictions on medicine in examining an accomplished Zen person?

The ancient Buddhas, he says, have never reached it.

Who knows how to throw dirt and sand?

Links:

List of posted koans, and introduction to Hekiganroku

Extended commentary on verse, case and introduction.