I think on some level, role models are overrated If you require a role model who looks just like you to be something you wanna be and you can't find one, is that a reason to not be what you wanna be? No!

The first colony on Mars is not going to be built by a private company. How are you going to make money? You're not.

Plenty of people get excited about the universe.

It’s short-sighted to think ads won’t one day end up wherever humans are - even the moon.

Only when creative people take ownership of cosmic discovery will society accept science as the cultural activity that it is.

I lose sleep at night wondering whether we are intelligent enough to figure out the universe. I don't know.

All information is good, even when it is bad.