"Some US journalist came up to me and said: 'How can you say this about President Bush?' Well, I think what I said then was quite mild. I actually think that Bush is the greatest threat to life on this planet that we've most probably ever seen. The policies he is initiating will doom us to extinction."

“The IMF and World Bank are still appalling, and now the World Trade Organisation too. All over the world people die unnecessarily because of the international financial system. Every year the international financial system kills more people than World War II. But at least Hitler was mad.”

“Mayor condemns 'cowardly' attack BBC video of Livingstone's statement”

“I feel a degree of regret that Marshall did not push on and say 'Abolish the GLC', because I think it would be a major saving and would have released massive resources for more productive use.”

“I'm not in favour of the army, I'm in favour of replacing it with armed workers' brigades to defend the factories.”

“When reporters say to me I'm only doing this because it's my job... that's the same abdication of moral responsibility at the thin end of the wedge that in its most extreme and horrific version ends up with others being prepared to stand as a concentration camp guard.”

“Only a de-humanised moron would get rid of the Routemaster.”