Whatever I was going into, whether it was going to be chorus or history or astronomy or whatever, do it right. Be a professional. Don't just do a half baked job. Do everything correctly. Get down. Learn the details of what you're going to do.

What we're learning is that the sun and its warmth isn't the only way to get warmth in the solar system, and we've been thinking that for some time.

We need people pushing the boundaries. Exploration is what we, as humans, do.

When I first heard that a comet was going to hit Jupiter, my reaction was, 'Eh. So what? Jupiter's huge. Comets are small. And so when I saw the first impact site and it was huge and dark, I was flabbergasted.

The American middle class used to be envy of the world. It was a byproduct of economic freedom. We had a very dynamic free-market economy and limited government. People were out there pursuing their own self-interest and creating employment opportunities.

I don't think the federal government has any business keeping a list of law-abiding Americans who exercise their constitutional right to keep and bear arms.

This independent report clearly indicates that while we may differ among ourselves in government about what to spend money on, we have one of the most reliable and non-political processes for agreeing on how much money there is. We don't play games with the numbers.

Once you have extrapolated the effects a particular science will have on society - cheap clean energy, rejuvenation - the political impact is quite easy to predict. The two are twinned.