We are just an advanced breed of monkeys on a minor planet of a very average star. But we can understand the Universe. That makes us something very special.

I have so much that I want to do. I hate wasting time.

The development of full artificial intelligence could spell the end of the human race.

It often happens that I have an idea, but then I try to fill in the intermediate steps and find they don't work, so I have to give it up.

Do you believe in first love - or should I pass by again?

The downside of my celebrity is that I cannot go anywhere in the world without being recognized. It is not enough for me to wear dark sunglasses and a wig. The wheelchair gives me away.

We explore because we are human and we want to know. I hope that Pluto will help us on that journey.