For your own safety, do not ever tell an astrophysicist, I hope all your stars are twinkling.

Now imagine a world in which everyone, but especially people with power and influence, holds an expanded view of our place in the cosmos. With that perspective, our problems would shrink-or never arise at all-and we could celebrate our earthly differences while shunning the behavior of our predecessors who slaughtered each other because of them.

Somehow it's O.K. for people to chuckle about not being good at math. Yet if I said, 'I never learned to read,' they'd say I was an illiterate dolt.

When you innovate, the jobs can't go overseas because other countries haven't figured out how to do it yet.

The Big Bang Theory: When geeky scientists can be main characters in a hit prime time series, you know there's hope for the world.

I am proud to be part of a species where a subset of its members willingly put their lives at risk to push the boundaries of our existence.

If you don't question you're stuck within a pre-existing parameters of knowledge. Questions are what take you outside of those parameters.