The subject was nothing, a bhava. A bhava means absence, nothing. We got to talk for five hours a day, for fifteen days on nothing. And last day was an examination, on nothing. The classic example which he would use is, there is no pot on the table. He actually said, do you want,. I mean, he says, he said, you want a pot? Why did I say that? Okay. It's easy. If you wants a pot, I can get you one. You know why it can be misleading? In fact, it's very interesting to study deep sleep because one reason is, I keep saying consciousness, consciousness,