WhenIWasYourAge: People were never "living with their disease." We cured them. Or they died from it.

A successful day for me is when I teach people something. They become enlightened by an idea and learn how to think about it, so that later on when someone says, "Tell me about x, y, z," they don't have to say, "I know this because Tyson told me." No, they'll say, "Here's why it's true because I know and understand it."

If a scientist is not befuddled by what they're looking at, then they're not a research scientist.

Kids should be allowed to break stuff more often. That's a consequence of exploration. Exploration is what you do when you don't know what you're doing.

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.

The miniaturization of electronics, which ultimately was driven by the marketplace, was started by NASA, because it costs money to get something into orbit. So you want to trim your electronics, miniaturize your electronics, miniaturize your satellites.

When students cheat on exams, it's because our school system values grades more than students value learning.