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

It’s short-sighted to think ads won’t one day end up wherever humans are - even the moon.

Before we start talking about genetic differences, you gotta come up with a system where there's equal opportunity.

No doubt, the most challenging class of questions in science is the origin of things.

I'd like - inviting aliens and have them observe what we do because so much of what we do that we take for granted will just be weird or extraordinary or just plain dumb when observed by an alien from another civilization.

No one is dumb who is curious. The people who don't ask questions remain clueless throughout their lives.

Thomas Jefferson basically secularized Jesus.