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.

After all, if you make your enemy look like a fool, you lose the justification for engaging him.

George Smiley: [quoting an old letter from Bill Haydon about Jim Prideaux] He has that heavy quiet that commands. He's my other half. Between us we'd make one marvelous man. He asks nothing better than to be in my company or that of my wicked, divine friends, and I'm vastly tickled by the compliment. He's virgin, about eight foot tall, and built by the same firm that did Stonehenge

I made a series of wrong decisions about moderately recent books, and I've sold the rights to studios for ridiculous amounts of money and the films have never been made. That's the saddest thing of all, because they're locked up and no-one else can make them.

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.

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

I've always had difficulties with female characters.