When everyone agrees to a single solution and a single plan, there's nothing more efficient in the world than an efficient democracy.

I love the future we might invent for ourselves that I have not yet dreamt of.

when I wrestled, I would set aside the time to wrestle, so that in my mind it didn't interfere with my study time. That helped me psychologically. When I'm wrestling, I'm not studying the universe. And when I'm studying the universe, I'm not wrestling.

Dark matter and dark energy are two things we measure in the universe that are making things happen, and we have no idea what the cause is.

I think that intelligence is such a narrow branch of the tree of life - this branch of primates we call humans. No other animal, by our definition, can be considered intelligent. So intelligence can't be all that important for survival, because there are so many animals that don't have what we call intelligence, and they're surviving just fine.

I want people to see that the cosmic perspective is simultaneously honest about the universe we live in and uplifting, when we realize how far we have come and how wonderful is this world of ours.

With automatic spell checkers running unleashed over what we compose, our era is that of correctly spelled typos.