The Japanese master Nan-in gave audience To a professor of philosophy. Serving tea, Nan-in filled his visitor's cup, And kept pouring. The professor watched the overflow until he Could restrain himself no longer:Stop! The cup is overfull, no more will go in. Nan-in said:Like this cup, You are full of your own opinions and speculations. How can I show you Zen Unless you first empty your cup?
~~Zen Story