The history of exploration across nations and across time is not one where nations said, 'Let's explore because it's fun.' It was, 'Let's explore so that we can claim lands for our country, so that we can open up new trade routes; let's explore so we can become more powerful.'

As a child, I was aware that, at night, infrared vision would reveal monsters hiding in the bedroom closet only if they were warm-blooded. But everybody knows that your average bedroom monster is reptilian and cold-blooded.

Let's invent a new tomorrow and then make it happen. Let's invent the city of tomorrow, the home of tomorrow, the transportation of tomorrow.

I recognize that there's an appetite that I'm now serving, and I'm happy to do so. I think it means quite a bit that science has achieved this level of public interest and access. And so I'm simultaneously astonished every day upon recognizing this, and I think it's a good sign for the country and possibly for the world.

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.

There's no shortage of people that we can put on, because science touches us all.

I don't live life to be remembered for anything.