When you're enlightened, you don't have to reference other people, because you yourself are enlightened. And that's a better Earth. People can make more informed decisions politically, culturally, personally.

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

I love the smell of the universe in the morning.

We need to look at NASA, not as a handout, but as an investment.

For all we know, the aliens have already done this and unwittingly concluded that there was no intelligent life on Earth. They would now be looking elsewhere. A more humbling possibility would be if aliens had become aware of the technologically proficient species that now inhabits Earth, yet they had drawn the same conclusion.

Exploration is what you do when you don't know what you're doing. That's what scientists do every day. If a scientist already knew what they were doing, they wouldn't be discovering anything, because they already knew what they were doing.

There is no greater education than one that is self-driven.