You know, I'm not terribly fast at my times tables, because that's not what I think mathematics is about.

The power of mathematics is often to change one thing into another, to change geometry into language.

I think my primary audience is in some sense an adult audience, because I think that will then have a knock-on effect for children.

Mathematics is a place where you can do things which you can't do in the real world.

The stage is like a laboratory where you can run theatrical experiments, imposing interesting conditions on the cast or story and seeing how they pan out. Each new play is like creating a tiny virtual universe enclosed by the confines of the stage.

I'm obviously attuned to pick up mathematics whenever I can see it. But in Mozart there is a lot of conscious use of mathematical symbolism and numbers in order to try and give messages.

When people ask me what my religion is, I say it's the Arsenal.