Give me the whole world to run and then I'll be happy. If tomorrow I was told I had to sort out the whole world's problems I'd sleep like a baby.

The world is run by monsters and you have to deal with them. Some of them run countries, some of them run banks, some of them run news corporations.

To tackle climate change you don't have to reduce your quality of life, but you do have to change the way you live

The market is a brilliant system for the exchange of goods and services, but it doesn't protect the environment unless it's regulated, it doesn't train your workforce unless it's regulated, and it doesn't give you the long-term investment you want.

I've always been a workaholic. I reckon, on average, I've had less than one day a year off in my working career.

Well, on lots of small things we could have done better, but on all the big things we called it right. You should make less mistakes as you get older, and I became a councillor back in 1971, so if by this stage in politics I'm making lots of big mistakes, then I shouldn't be here.

I've got people handling the media. I employ at the moment two people. No-one is paying income tax on the money they use to employ people.