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

"The highest possible achievement is to be able to make a discovery."

"I have a friend who is an artist and has some pictures which he thinks are very good... and he says, 'I am a value-free man. I don't believe in values.' And I say, 'Oh, really? Then why are your pictu…"

"I don't have to be consistent."

"The world is a stage, but the play is badly cast."