A great production of a black comedy is better than a mediocre production of a comedy of errors.

If you could stop every atom in its position and direction, and if your mind could comprehend all the actions thus suspended, then if you were really, really good at algebra you could write the formula for all the future; and although nobody can be so clever as to do it, the formula must exist just as if one could.

You are an over-excited little man, with a need for self-expression far beyond the scope of your natural gifts. This is not discreditable. Neither does it make you an artist.

It's the wanting to know that makes us matter.

Most British playwrights of my generation, as well as younger folks, apparently feel somewhat obliged to Russian literature - and not only those writing for theatres. Russian literature is part of the basic background knowledge for any writer. So there is nothing exceptional in the interest I had towards Russian literature and theatre. Frankly, I couldn't image what a culture would be like without sympathy towards Russian literature and Russia, whether we'd be talking about drama or Djagilev.

A genuine love of learning is one of the two delinquencies which cause blindness and lead a young man to ruin.

We're more of the love, blood, and rhetoric school. Well, we can do you blood and love without the rhetoric, and we can do you blood and rhetoric without the love, and we can do you all three concurrent or consecutive. But we can't give you love and rhetoric without the blood. Blood is compulsory. They're all blood, you see.