I believe that I am past my prime. I had reckoned on my prime lasting till I was at least fifty.

My career is chequered. Then I think I got pigeon-holed in humour; Shakespeare is not my thing.

The performances you have in your head are always much better than the performances on stage.

I like the ephemeral thing about theatre, every performance is like a ghost - it's there and then it's gone.

But the system of prices ruling the market not only transmits information in the light of which economic agents can mutually adjust their actions, it also provides them with an incentive to exercise economy in terms of money.

I always feel calmer when I exercise. In fact, that's probably the main reason I exercise.

I can't even consider the prospect of grandchildren because I don't know if there will be anything left for them on Earth. That's how serious the problem is. We can't drink the water or breathe the air, and we're all dying from some sort of cancer. How many generations can sustain that? It frightens me terribly.

Cancer affects so many people, and even if it hasn't affected someone in your family then you know someone who has had it.