A state of negative energy means that you are essentially getting something for nothing.

I'm optimistic. I see no longer people accepting fuzzy thinking in the world. The change is not that people aren't still saying under-informed things. The change is that if you're in power and you say something under-informed, there are people out there with a voice who will take you to task for having done so

Nothing is a thing: it's nothing. So I can imagine a place where there's not even nothing.

Passion is what gets you through the hardest times that might otherwise make strong men weak, or make you give up.

One of the most significant events in our distant past is still perhaps the greatest mystery: the origins of life itself.

Newton, Einstein, and every other great scientist in history...They all made mistakes. Of course they did. They're human! Science is a way to keep from fooling ourselves and each other.

Astrophysicists perfected navigation. We perfected all these things that matter to the power of nations manifest on the world stage. So we want to go into space. That's the new high ground, right? We care about multispectral imaging of things. Well, that's what reconnaissance wants to do. So our expertise has been in bed with national security needs forever. So maybe, secretly, that's why they keep us employed.