"The thing that bothers me is that I can tell that the students don't understand. They are taught to remember things, but they don't understand."

"The thing that bothered me about it was that I was doing work for the military, and I didn't like that."

"This dying is boring."

"You can know the name of a bird in all the languages of the world, but when you're finished, you'll know absolutely nothing whatever about the bird... So let's look at the bird and see what it's doing…"

"I have no idea where I'm going. I have no idea where I'm going to be. So it's probably best that I don't know."