I think you can get better in mathematics on a school level, but when you're talking about being a mathematician, I think that's definitely a gift of genes or whatever.

We are all racing towards death. No matter how many great, intellectual conclusions we draw during our lives, we know they're all only man-made, like God. I begin to wonder where it all leads. What can you do, except do what you can do as best you know how.

Obviously, the arrogance of my own nature in regards to other people's work would suggest that I think I'm talented.

The most difficult thing about painting is the self-discipline. When I finish a job, I give myself a few days, but then I have to discipline myself quite fiercely if I want to do some painting that's worthwhile. Otherwise, you're just doodling. It's much easier when you're just told what you have to do.

The common misconception is that we create films for ourselves. And I really don't do it for myself. I get stopped in the street by people saying, "Do you mind if I say this about your work?" Do I mind? I'm delighted. I do it for you. It's not for me. It's my living, yes, sure.

I think particularly Daniel [Radcliffe], he knows what he's doing. I'm sure he'll finish up a producer. He really realized what it was, knew the size of it. And it was gigantic, the biggest franchise [Harry Potter] in history.

I think an actor is very like a sportsman. You have periods where you're in terrific form. Everything you touch seems to work, and come right. And other times, when you're working really hard, it's okay, but it isn't scintillating.