One important theme is the extent to which one can ever correct an error, especially outside any frame of religious forgiveness. All of us have done something we regret - how we manage to remove that from our conscience, or whether that's even possible, interested me.

What reader wants to be told what attitude to strike?

I apologize for being obvious, but every time I watch the curtain come down on even a halfway decent production of a Shakespeare play I feel a little sorrowful that I'll never know the man, or any man of such warm intelligence.

True intelligence requires fabulous imagination.

One has to have the courage of one's pessimism.

Politics is the enemy of the imagination.