“It is impossible for someone to lie unless he thinks he knows the truth. Producing bullshit requires no such conviction.”

“It is impossible for a man to learn what he thinks he already knows.”

“On his central point, the £350m a week, this is a lie. He knows it is a lie and endlessly repeating it does not make it the truth.”

“The Kafka paradox: art depends on truth, but truth, being indivisable, cannot know itself: to tell the truth is to lie. thus the writer is the truth, and yet when he speaks he lies.”

“The secret is to know how to lie" he used to say, " and to know when someone's lying to you". His father, Steve eventually decided, must have known how to lie.”

“Any fool can tell the truth, but it requires a man of some sense to know how to lie well.”

“He is potentially brilliant, and he is going to be exciting, but potential is nothing unless you can produce it. I would think he's way, way, way, miles away from international World Cup football.”

“He's the kind of liar who totally forgets what he told you the last time, but he believes every single lie with such conviction that sometimes he can convince you of it.”

“A lie would have no sense unless the truth were felt as dangerous.”

“An artist can't produce great art unless he has a philosophy. He can't say something unlee he has something to say.”