Right now people think God is dark energy and dark matter, the spirit. Go ahead and think that, but the day we can tell you exactly what it is - that it's gremlins in the vacuum of space or whatever - then what's your recourse at that point?

The greatest teachers are the ones that turn a B student into an A student, or a failing student into a B student.

They [scientists of centuries past] call on God only from the lonely and precarious edge of incomprehension. Where they feel certain about their explanations, however, God gets hardly a mention.

Newton came up with Newton's laws of motion and gravity. They worked. They were working.

Do you realize that the 850 billion dollar bank bailout, that sum of money is greater than the entire 50 year running budget of NASA. And so when someone says, 'We don't have enough money for this space probe.' No, it's not that you don't have enough money. It's that the distribution of money that you're spending is warped in some way that you are removing the only thing that gives people something to dream about tomorrow.

But one of the coolest things about meteorites is that most were formed four-and-a-half-billion years ago, during the birth of our solar system, when, for reasons not yet known, a cloud of gas and dust was transformed into a sun with circling planets.

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