The Gateless Gate/Meeting A Zen Master On The Road
Goso said: "When you meet a Zen master on the road you cannot talk to him, you cannot face him with silence. What are you going to do?"

 Mumon’s comment: In such a case, if you can answer him intimately, your realization will be beautiful, but if you cannot, you should look about without seeing anything.
 Meeting a Zen master on the road,
 Face him neither with words nor silence.
 Give him an uppercut
 And you will be called one who understands Zen.