But the beauty of Einstein's equations, for example, is just as real to anyone who's experienced it as the beauty of music. We've learned in the 20th century that the equations that work have inner harmony.

I have a much easier time imagining how we would understand the big bang, even though we can't do it yet, than I can imagine understanding consciousness.

One of the basic things about a string is that it can vibrate in many different shapes or forms, which gives music its beauty.

Im actually, for the most part, a complete agnostic politically.

I wouldn't have thought that a wrong theory should lead us to understand better the ordinary quantum field theories or to have new insights about the quantum states of black holes.

There is a difference between knowing what is true and knowing why it is true

We know a lot of things, but what we don't know is a lot more.