In the hands of politicians grand designs achieve nothing but new forms of the old misery.

By the age of 9 or 10, I knew that I had to cut my own cloth and make my own way.

It's part of a writer's profession, as it's part of a spy's profession, to prey on the community to which he's attached, to take away information - often in secret - and to translate that into intelligence for his masters, whether it's his readership or his spy masters. And I think that both professions are perhaps rather lonely.

I was quite able at the insignificant work I did in MI6, but absolutely dysfunctional in my domestic life. I had no experience of fatherhood. I had no example of marital bliss or the family unit.

Gerald Westerby, he told himself. You were present at your birth. You were present at your several marriages and at some of your divorces, and you will certainly be present at your funeral. High time, in our considered view, that you were present at certain other crucial moments in your history.

Remember Graham Green's dictum that childhood is the bank balance of the writer? I think that all writers feel alienated. Most of us go back to an alienated childhood in some way or another. I know that I do.

Why did I desert Labour? Total bloody disillusionment. The party was a corpse. It had no ideology, it became detached, old, spineless and needed to go.