So with each advance in understanding come new questions. So we need to be very humble. We shouldn’t have hubris and think that we can understand everything. But history tells us that there is good reason to believe that we will continue making fantastic progress in the years ahead.

If life were a movie, physical reality would be the entire DVD: Future and past frames exist just as much as the present one.

If I get a parking ticket, there is always a parallel universe where I didn't. On the other hand, there is yet another universe where my car was stolen.

For me, [John Wheeler] was the last Titan, the only physics superhero still standing.

All too often, schools resemble museums, reflecting the past rather than shaping the future

In 2056, I think you'll be able to buy T-shirts on which are printed equations describing the unified laws of our universe.

So with each advance in understanding come new questions. So we need to be very humble. We shouldn’t have hubris and think that we can understand everything. But history tells us that there is good reason to believe that we will continue making fantastic progress in the years ahead.