Speculation and the exploration of ideas beyond what we know with certainty are what lead to progress.

Probably if you look like Tyra Banks, it probably is hard, even if you are really smart, for people to take - it surprises some.

There are many aspects of time we just do not understand. That’s the thing about writing a popular book: You realize the things you understand because for those you can give a really simple explanation. But some things about time I just don’t know how to give simple explanations for, even though I can tell you mathematically what’s going on.

Sometimes models are surprisingly smart.

You can be only a modest distance away from the gravity brane, and gravity will be incredibly weak.

Speculation and the exploration of ideas beyond what we know with certainty are what lead to progress.

We should figure out how to do this so that some parents don't feel disenfranchised, angry and upset. It says a lot about the state of where we are in the city, the role of parents and the reality of small school and combining schools.