When I started out as Prime Minister I wanted to please all the people all the time. By the end I was wondering if I pleased any of the people any of the time.

I also, as I think most people do, have a healthy instinct that if we upset the balance of nature, we are in all probability going to suffer a reaction. With world growth, and population as it is, this reaction must increase.

My office is on Twitter. I don't tweet myself - at least, not intentionally, but I probably should do.

Where radical Islamism is going to be a factor, it's going to be very, very tough.

One thing I'm not sure of - and it's a very open question - is whether the type of politics that I represent really has had its day or not. Now I obviously believe passionately it hasn't, that it's still the answer and not the problem, and, you know, the evidence points both ways.

Real progress cannot be measured by money alone. We must ensure that economic growth contributes to our quality of life, rather than degrading it

If we don't act now, then we will go back to what has happened before and then of course the whole thing begins again and he carries on developing these weapons and these are dangerous weapons, particularly if they fall into the hands of terrorists who we know want to use these weapons if they can get them.