Keith Johnstone

Never kick over a row of Hell’s Angels’ motorbikes unless you’re the hero of the movie.

If there’s a choice, be positive. Eddie Murphy understood this: handcuffed and thrown into a police car, he beamed expansively and said, ‘This is the nicest, cleanest police car I’ve ever been in!’

I began to think of children not as immature adults, but of adults as atrophied children. But when I said this to educationalists, they became angry.