I didn't even know there were stars to look at to not see. If you don't know that they're there, you don't know that you're missing them.

Just before I said I wanted to be an astronomer I said I wanted to be a baseball player. I was quite athletic at the time, probably because I was bigger than other kids, and if you're bigger than other kids and you're 11 you win everything.

The last person I ever want working for me is someone who says 'that's not in my job description.

We spend the first year of a child's life teaching it to walk and talk and the rest of its life to shut up and sit down. There's something wrong there.

I don't know why a beauty salon would have a cop's hat and the curling irons are not deadly unless they're still plugged in and they're hot. So I'm not quite sure about that. But I don't know who remembers anymore that you can ignite spray cans, plus there aren't really any spray cans anymore 'cause that was destroying the ozone layer. So I'm - actually, I'll have to go with they chased him with the curling irons.

Science is not there for you to cherry pick ... You can decide whether or not to believe in it but that doesn’t change the reality of an emergent scientific truth.

There's a lot of memorization that goes on in school. You memorize vocabulary words and all these sorts of things.