The past is another planet.

No one is dumb who is curious.

Pretending to know everything closes the door to finding out what's really there.

What are we promoting in society? Well-behaved automatons that spew back what they learned in a book. That's not science. You can get a parrot to do that.

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.

Grab something off the shelf that's on the spaceship-an ashtray, it doesn't matter what. Because I can tell you, if they flew here from another galaxy, no matter what you've pulled off the shelf, it'll be unlike anything we have on Earth.

NASA has spin-offs, and it's a huge and very impressive list, including accurate and affordable LASIK eye surgery.