"What one fool can do, another can."

"I don't know anything, but I know that I know nothing. And that's the beginning of wisdom."

"Scientific knowledge is a body of statements of varying degrees of certainty—some most unsure, some nearly sure, but none absolutely certain."

"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."

"I don't like to be told what to do."