Physicists are more like avant-garde composers, willing to bend traditional rules... Mathematicians are more like classical composers.

In essence, we string theorists have been trying to work out the score of the universe, the harmonies of the universe, the mathematical vibrations that the strings would play. So musical metaphors have been with us in science since the beginning.

When you know the answer you want, it is often all too easy to figure out a way of getting it.

Gravity is matter’s sugar daddy.

The fact that I don't have any particular need for religion doesn't mean that I have a need to cast religion aside the way some of my colleagues do.

Einstein's theory of relativity does a fantastic job for explaining big things. Quantum mechanics is fantastic for the other end of the spectrum - for small things.

We might be the holographic image of a two-dimensional structure.