"But to this day I am convinced that the real reason we met was because Alexander is from Nebraska, and he was completely fascinated that I was about to go off and make a movie with Brando - perhaps the most famous Nebraskan of all."

"Their lives have been largely defined by failure and you would think the prospect of marriage, which is supposed to be bountiful and hopeful, it's just really another kind of tangential thing in his life."

"I believe in singularity in relationships because you've got to have trust on both sides."

"What I like about sceptics is that in good science you need critics that make you think: 'Crumbs, have I made a mistake here?' If you don't have that continuously, you really are up the creek. The good sceptics have done a good service, but some of the mad ones I think have not done anyone any favours."

"I don't know, I just want to be happy. I could be in a hole somewhere. Or I could completely lose it and be some hippy living in the woods with my dad."

"People mistake their limitations for high standards."

"As kids we're not taught how to deal with success; we're taught how to deal with failure. If at first you don't succeed, try, try again. If at first you succeed, then what?"