Many people feel small because they're small and the universe is big, but I feel big.

I don't have specific television ambitions in the sense that I remain fundamentally and academic, and so, my innermost ambitions are what's the next discovery I can make; that's in my direct center.

With ticket prices, do you ask yourself, why I'm paying $70 to see the arts? You say, "No, that's what the symphony is costing me."

In just one year, the expenditure of of the U.S.'s military budget is equivalent to the entire 50-year running budget of NASA combined.

We're quite happy with our Big Bang description of cosmic origins. But actually, the Big Bang accounts for what happened only after the beginning. The beginning itself, and especially what happened before, remains the biggest mystery of all.

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

Science is a cooperative enterprise spanning the generations. It's the passing of a torch from teacher to student to teacher. A community of minds, reaching back to antiquity and forward to the stars.