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.

Because exploration is not science driven, you've got to ask what is it driven by? And it's driven by politics.

I'm not a futurist, and my taste in science fiction was sort of in the gothic horror vein, not space movies and futuristic stuff.

I became a member of the faculty at Northwestern University in 1965 but did not complete my thesis until two years later at a graduate ceremony at which Carnegie Institute of Technology became Carnegie-Mellon University. At Northwestern, I was mentored by the 'three Bobs:' Robert Eisner, Robert Strotz and Robert Clower.

There's a lot of technology out there to help people have children in different ways, and later in life, for better or worse.

I've always been a sucker for any technology engineered primarily for the entertainment of the human race - even such technology as has been disguised as 'useful' or 'improving' when we all know the real virtue lies in its ability to distract and divert.