“I would love to see a sequel to 'The Rocketeer.' I'd love to see that! I don't know that I would be in it. I may be a little long in the tooth to play 'The Rocketeer.' But I would love to be a part of that in some form or fashion.”

“A permanent base on Mars would have a number of advantages beyond being a bonanza for planetary science and geology. If, as some evidence suggests, exotic micro-organisms have arisen independently of terrestrial life, studying them could revolutionise biology, medicine and biotechnology.”