Treason is very much a matter of habit, Smiley decided.

There is a big difference between fighting the cold war and fighting radical Islam. The rules have changed and we haven't.

When it comes to recruiting people for the secret world, what the recruiters are looking for is pretty much what I had. I was unanchored, looking for an institution to look after me. I had a bit of larceny. I understood larceny. I understood the natural criminality in people - because it was - it was all around me. And I have no doubt there was a chunk of it inside me too. Once I found that identity, it took root in me. It exactly - it gelled with the world that I'd known in the past.

Wives?" she asked, interrupting him. For a moment, he had assumed she was tuning to the novel. Then he saw her waiting, suspicious eyes, so he replied cautiously, "None active," as if wives were volcanoes.

Writing is like walking in a deserted street. Out of the dust in the street you make a mud pie.

How Bush and his junta succeeded in deflecting America's anger from bin Laden to Saddam Hussein is one of the great public relations conjuring tricks of history. But they swung it. A recent poll tells us that one in two Americans now believe Saddam was responsible for the attack on the World Trade Centre.

[My novels] introduce levels of intelligence ... moral doubt [and] self-doubt, which may not pertain [to real-world espionage].