I wanted to be a snowplow driver when I was a kid. Growing up in the Rocky Mountains, that's the most glorious job you can imagine. But then my mother took me to a lecture about the solar system when I was 8, and I got hooked.

We're born with a curiosity about the universe. Those people who don't have a curiosity don't have it because it's gotten beaten out of them in some way.

When I ask myself what are the great things we got from the Renaissance, it's the great art, the great music, the science insights of Leonardo da Vinci. Two hundred years from now, when you ask what are the great things that came from this era, I think it's going to be an understanding of the universe around us.

I think that the future of the human race is to spread through the universe, and now is the time that we should be laying the foundations for that.

I go to Mexico quite often, and wrestling the Lucha Libre style, the pageantry - those experiences, you truly have to live. Television or social media doesn't do it justice.

I wouldn't say you have an online life and a real life. I think technology is just mapping and organizing what already exists.

Science is not, despite how it is often portrayed, about absolute truths. It is about developing an understanding of the world, making predictions, and then testing these predictions.

If it wasn't for the Internet, I wouldn't be here. I'd probably be rapping, but I wouldn't be well known if it wasn't for the Internet.