The most important aspect of a school's continued existence is a core theory that explains and supports itself. How could Zen, which ranks among the Heaven Sect, be stumped by a question from Tang Luo?
"Master Tang is correct. Not only the small monk, but even the wisest among the human race have not yet found immortality. But does it not exist just because we haven't reached it?" Yankong replied lightly, "Eyes, ears, nose, tongue, body, and mind; color, sound, scent, taste, touch, and thought are all but empty phenomena. They blind you, just like a pitch-black room. If I say there's a hammer, however much you widen your eyes in the dark, you won't see your hand in front of you, and all you can say is that you can't see. But what if I light a candle?"
