"Why do you suppose that, when you are not speaking English, you speak with an accent?"

"I'm not interested in being a guru. I'm interested in understanding the world."

"If you want to master something, teach it."

"I got a dollar for my patent! I give it to everybody. Result: everybody who has one of these patent because it was easy a lot of people had been sending things in lots of patents. Everybody come down …"

"I found myself in a situation where I was giving an answer to a question that I didn't understand, and that alarmed me."