"The US has innovated in so many different areas, but we have fallen behind in nuclear."

"If I'd had some set idea of a finish line, don't you think I would have crossed it years ago?"

"The power of the internet is that it can connect people to information and to each other."

"The greatest danger in the world is not knowing what you're doing."

"It's fine to celebrate success but it is more important to heed the lessons of failure."