"There is no harm in doubt and skepticism, for it is through these that new discoveries are made."

"I was brought up to believe that the only way to really understand something is to build it."

"I have a great deal of difficulty with the idea of 'truth' in the philosophical sense."

"You know, the dumbest goddamn student you ever saw can understand things if you explain them right. So if you can’t explain it, it’s because you don’t understand it."

"I actually did not have to learn a thing for my thesis. It was all stuff I already knew."