I began my talk by saying that I had not written my plays for purposes of discussion. At once, I felt a ripple of panic run through the hall. I suddenly realised why. To everyone present, discussion was the whole point of drama. That was why the faculty had been endowed - that was why all those buildings had been put up! I had undermined the entire reason for their existence.

I write plays because dialogue is the most respectable way of contradicting myself.

I still believe that if your aim is to change the world, journalism is a more immediate short-term weapon.

(Falls down in a drunken stupor): Let's sit down.

I don't know if it's what you want, but it's what you get. :-)

Never treat your audience as customers, always as partners.

On the contrary, it's because someone knows something about it that we can't talk about physics. It's the things that nobody knows about that we can discuss. W…