The future of commerce is going to be all electronic. The gold standard was a fine idea, but electronic changes of funds and credits will be the future.

When we see the shadow on our images, are we seeing the time 11 minutes ago on Mars? Or are we seeing the time on Mars as observed from Earth now? It's like time travel problems in science fiction. When is now; when was then?

We need them. We need scientifically literate voters and taxpayers for the future.

I meet so many people who are intimidated by arithmetic.

Science is the best thing humans beings have ever come up with. And if it isn't, science will fix it.

If you decide to become a dancer on Broadway, never say who your favorite dance partner is, because members of the media will presume you never want to dance with anybody else.

The philosophy of science is inherent in the process. This is to say, you think critically, you draw a conclusion based on evidence, but we all pursue discovery based on our observations. That's where science starts.