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.

Learning to read the Bible in the light of the times in which it was written is critical. Reading it uncritically, without understanding the cultural and historical setting of the text, leaves us forced to accept scientific and sociological norms of the ancient Near East from 3,000 years ago.

I was always exploring relationships between art and science.

Academic freedom is being lost by a great many people who dare to challenge Darwinism. That's a terrifying situation. That's contrary to the principles of science.

Given the scale of issues like global warming and epidemic disease, we shouldn't underestimate the importance of a can-do attitude to science rather than a can't-afford-it attitude.