If you think that the distance from the Earth to the nearest planet where we could live comfortably... is being, like, from New York to Australia... what we've achieved so far, in going to the moon, that's about two-and-a-half inches. So that's the challenge.

When Galileo first trained his optic telescope on the heavens and opened up modern optical astronomy, that was the first of the electromagnetic windows out of the universe: light.

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.

Kip Thorne Quotes