If you're interested in something, that's all that matters. You'll spend more time doing it, that than anything else, and possibly more time doing it than anybody else.

We should not measure our space-faring era by where footprints have been laid.... We should measure our era by how many people take no notice at all. A legacy rises to become culture only when its elements are so common that they no longer attract comment.

You don't need to be a scientist to know Earth's age or that life evolved. You just need be one who embraces objective truths

The day that you stop looking - because you're content God did it - I don't need you in the lab. You're useless on the frontier of understanding the nature of the world.

Doing what has never been done before is intellectually seductive, whether or not we deem it practical.

For the film to 'earn' the right to be criticized on a scientific level is a high compliment indeed.

I don't have specific television ambitions in the sense that I remain fundamentally and academic, and so, my innermost ambitions are what's the next discovery I can make; that's in my direct center.