The limits on your enlightenment come not from the age you stopped going to school but from the age you stopped being curious.

If there's some kind of rock star status, would I be irresponsible if I didn't somehow use it for a continued greater good? I'm always involved in some way with reaching the public.

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

I think we are all the sum of that which has happened in our lives. And if you're successful, it would be wrong to think that you'd be more successful had something been easier. That's not a given.

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

Never presume that just because you disagree with an idea that you must be correct.

It seems that we're better at finding someone to blame for our problems than we are at finding creative solutions to fix them.