For me, it is about using everything that is there and using the gaps in the record, figuring out why the gaps might be there. And then when you move on to the level of what historians said, laying the interpretations side by side. You also have to look back at the documents and make your own judgments. What the record says and what people say about it. A novelist can fill the gaps in a way that a biographer cannot.

My first career ambitions involved turning into a boy; I intended to be either a railway guard or a knight errant.

So many years of preparation, for what was called adult life: was it for this?

Fiction leaves us so much work to do, allows the individual so much input; you have to see, you have to hear, you have to taste the madeleine, and while you are seemingly passive in your chair, you have to travel.

One of the ideals [Margaret Thatcher] grew up with was self-denial and postponement of gratification, and yet she went about to create a greedy, short-term society. It is a paradox.

I am very happy in second-hand bookshops; would a gardener not be happy in a garden?

I was the subject of an experiment in love. I lived my life under her gaze, undergoing certain trials for her so that she would not have to undergo them for herself. But, how are our certainties forged, except by the sweat and tears of other people? If your parents don't teach you how to live; you learn it from books; and clever people watch you learn from your mistakes.